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Showing posts with the label sci-fi

I, Robot

"Gloria had a grip about the robot’s neck that would have asphyxiated any creature but one of metal and was prattling nonsense in a half-hysterical frenzy. Robbie’s chrome-steel arms (capable of bending a bar of steel two inches in diameter into a pretzel) wound about the little girl gently and lovingly, and his eyes glowed a deep, deep red." - If you didn't recognize the narrative, it is from Gloria & Robbie's reunion from the touching ending of Isaac's "I, Robot" first story. If you read "Robbie" before, you are probably, by now, recollecting what actually preceded this very moment of two persons getting together in this happy ending of the most famous Asimov short story. But if you never did, I am encouraging you to do so; if nothing else, then for the simple reason that even though it was written some eighty years ago, the premise is still fresh and valid, just like it was published yesterday.


The word 'robot' was actually coined a couple of decades before 'Robbie' by the Čapek brothers, Karel and Josef, and was first used in Karel's play 'Rossumovi Univerzální Roboti' (Rossum's Universal Robots). Although robots in this play were more androids and cyborgs, in fictitious literature they were not fully mechanical, AI-type automated inventions but rather sort of technologically augmented humans or created biological organisms. Nevertheless, the word stands to this day with its root in all Slavic languages, Serbian included. I remember my grandmother often using the word 'rabota' ('robota' in Czech), which, even though not in use in the official Serbian language, is actually the only possible way to represent the hard work or labor in just one word.

In sci-fi literature and motion pictures, not all robots are equipped with artificial intelligence, emotion chips, and sophisticated technology and created to look exactly like we do. Many of them are made just to do hard work, like in the original Isaac's or Karel's stories, but even though they all have one thing in common. Their own personality. Something that makes the robot unique and has properties only living organisms have. Believe it or not, if you have a vivid imagination or perception of the details of your own surroundings, personality is something even ordinary items can own. Not long ago, when my son was at the appropriate three-year-old age, I bought for him a large helium balloon to play with indoors. At the end of the meter or so of string, I hung a couple of iron rings to weigh just enough for the balloon to float freely in the air. It was fun playing with it, of course, but even more fun was just monitoring what it did on its own. Due to invisible drafts and air circulation in our flat and slight differences in pressure and temperature in different rooms, it was obvious that our 'Balloon Boy', as we called it, never wanted to stay still for a long time, and after a while I noticed that it particularly liked the kitchen. No matter where you floated it initially—in the living room, dining room, or hallway—after a couple of hours it drifted away to its favorite spot and stayed there put. And to do so, it had to pass through several corners and doors and avoid solid items and furniture. Now you tell me, how was our Balloon Boy different from any other home pet? It had a name, it required constant attention (instead of feeding, in this case, adjusting weights to compensate for helium lost), it also had its own favorite spot in the flat, it loved to play and drift, it was cool, and it... well, eventually died. From my point of view, Balloon Boy was no different than any living pet, and with all of his regular activities, 'he' earned his own personality. Not a big one, for sure, but personality-wise it was.


Robbie was designed to serve as a nursemaid, but in the end, from one young girl's perspective, it was a perfect pet or Balloon Boy substitute. He didn't talk but was able to mimic all the personality necessary to be an ideal companion for eight-year-old Gloria. And he was a great listener, something parents nowadays rarely have time or patience to do for their children on a daily basis. Robbie was also the first robot in Isaac's "I, Robot" masterpiece and surely one of the first generations of robots. With later stories and the overall sci-fi genre, within robotics and cybernetics naturally comes artificial intelligence. In this realm, my favorite robot in the entire expanse of science fiction is Commander Data from "Star Trek: The Next Generation". He has it all and was as fully functionally self-aware as anyone else in the franchise. But we are far away from such achievement. I mean, creating artificial software design to mimic human beings within the current stage of hardware and software is very much possible. Computers are fast enough to process very detailed responses from the surrounding environment. Sensing tools are also mature enough to visually and audibly acquire all the data for a hypothetical humanoid robot to deal with and to be very close to passing the Turing test. Simply put, I am convinced that very soon we will have artificial Facebook contacts you can add to your friend lists and communicate with in the usual manner and never know that they are not really humans. To be perfectly honest, I will not be surprised if they already exist today and use social networks as a perfect beta testing ground.

However, what is still behind rapid development in computer science is power and mechanics. These days Boston Dynamics' Atlas's new upgrade is going viral, and if you haven't already seen what it can do, please take a couple of minutes to watch the above video. It is amazing what they achieved in only a couple of years of development from the first 'Petman' bipedal robot initially constructed for testing chemical protection suits. Still, even though walking and handling simple labor is vastly improved, motion and sophistication are yet to explode in some sort of technical breakthrough that would allow continuous operation without the need to recharge often and, of course, to have more human-like motion abilities and be able to do various actions, from as sensitive as operating smartphones to as bulky as carrying heavy sacks and boxes. And at the same time, to look like one of the chess players from the above photo. Or both of them. Until then, there will be no fear of some futuristic robot uprising in Boston Dynamics, especially against those test people from the Atlas video.


To conclude this post without mentioning industrial robots would not be really fair. They have been among us for years and doing their job with great perfection. Honestly, one of the 'always on' TV channels playing in our living room is 'Discovery Science', and I simply can't get enough of those shows "How It's Made" and "How Do They Do It?" especially with all those automated industrial lines with heavy usage of robots and machines. Cybernetics is one great engineering, and it literally expanded exponentially with microcontrollers and industrial software. With a little regret of missing the opportunity to pursue a career in robotics, I remember those couple occasions in school when I participated in a competition in building a controllable circuit board with the Sinclair ZX Spectrum, an amazing one of the first home computers I owned for years back in the eighties. It had an extension connector, designed for accessories, with 8 pins fully controllable with its famous PEEK & POKE commands. I used it to programmatically control electronic relays capable of controlling the flow of heavy electronic AC current.

Now, even though industrial robots are already ready to go to another planet (and a couple of them have already been sent to Mars and successfully did or still do their jobs), androids are still not on the horizon. Should I dare to predict the first commercial humanoid robot on the market? Let me put it this way: the human body contains 200+ bones, 600+ skeletal muscles, and more than 300 joints. When we reach a scientific breakthrough in using artificial muscles and power systems able to operate a vast number of joint and bone movements, it will not be long before we see the first Robbies in hardware stores.

Image credits:
http://www.templates.com/blog/robots-people-striking-3d-perspective/
http://www.blutsbrueder-design.com/
http://dailyinbox.com/next-decades-manufacturing/

Friendly IoT or Daemon of WarGames

Is the Internet dangerous? Well, yes, we know all the hazards of spending all the work hours behind monitor screens, browsing the web at home, doing social networking, playing online games, watching YouTube, staring at smartphone little displays, or for whatever reasons we sit above our keyboards most of the time every day. That's indeed what we first think of—all the negative aspects of the mighty global network—but today I am not referring to all the potential medical issues inherited from sitting too long on the chair or looking every day into the LCD screen. I also don't mean the obvious social and/or physiological outcomes from letting the virtual world take over the real one for more and more people every day. No, I mean the real danger. Did the Internet overcome the pure network system and become a tool for mass destruction or a background tool for criminal activities? Can someone use the internet to hurt somebody or to perform a murder? Either directly or indirectly? Can some organization, country, or corporation use it to start a war? I mean, wars in the past began by more trivial things than by one global network. There was one war in the year 1969 between El Salvador and Honduras, initiated by a football game. True story. Google it.


You can relax. The Internet is still far from being a player. Or a rifle. It is getting sophisticated by the day, but currently it is still lacking two things to become something more than just a network. Two things are in development as we speak. And yes. You can stop relaxing now. The Internet IS going to be potentially capable and very dangerous when these two things become reality in the future. Very near future, if you ask me. And one of those two doesn't even have to be perfect. Like any other internet thingies, they have cool acronyms. AI and IoT. The first one will provide internet to be self-aware... or... in simple words, to start thinking. It means 'Artificial Intelligence', of course, and even though current development is far away from creating a real replacement for a human mind, some sort of NAI (near AI) will be sufficient to act independently on many occasions. NAI is not real AI. It is rather a complex logic that emulates thinking behavior in some spatial scenarios with predefined and predicted all or most of all directions and events. For example, the current two operational robotic rovers on Mars, Curiosity and Opportunity, are capable of driving on their own with their operating software. Or here on Earth, many metro systems in large cities are operated by complex control and are fully automated, without humans behind train controls. Something like in this embedded video was unthinkable only a couple of decades ago.

To be honest, true AI is not really a real threat. Even if science and technology build an AI entity tomorrow with certain doses of emotions and reason, it will be just another child in the neighborhood. True danger in the background of the global worldwide web is only the programmer's anticipation and powerful IF-THEN-ELSE command. And we have both today. AI being a mad mastermind of the future is not needed. The only thing preventing the Internet from being dangerous today is the still-early phase of IoT. "Internet of Things". Think of it like this: if you have brains and no body or senses, you are as good as a conductor without an orchestra. This is the inevitable part of the future Internet. It will get a body and a wide variety of sensing abilities. Basically, until now, IP addresses were reserved for devices with brains, or CPU units if you will. Home computers, business servers, phones, tablets, smart TVs, and microcontrollers are happy units today with internet access and proud owners of IP addresses. The trend is for tomorrow that all technology-based devices get online too. Remote controllers, motion sensors and any type of sensing converters, home and kitchen appliances, cars and any type of vehicle, industry tools, medical sensors, 3D printers, clothing items, and literally anything at all will be able to get a 'smart patch' and be allowed to be monitored or controlled over the internet. Think of this futuristic network from today's Google and Android smartphone perspective.


If you are a user of Google networks and devices (like I am, and this is just an example; the same goes for other providers and internet giants), from their databases (and I am not saying that they are doing it), it's possible to know what you are browsing to the simplest detail by your usage data in searching the net and the history of your browser, who you are following on social networks by which timeline or wall pages you are opening the most, what you like and dislike, what your watching habits are by your YouTube statistics, how your life looks in writing by your usage of Blogger, and all your whereabouts of your Android smartphone by Google Timeline. Not to mention that they have access to all of your online photos, videos, and files through your usage of all of their services and cloud storage. Oh, yes, and they have all your passwords you typed on various websites. Google is not even on the top of potential 'smart' providers with access to your, well, everything. If you are a user of, for example, Microsoft or Apple and their operating systems, then they are able (and again, I am not saying they are doing it) to know and have access to your localized data that is not clouded online. The story continues into the business environment further. If you are the proud owner of a rack of servers in some cool data storage building and you didn't write all the software and used so-called 'third party' code, the simple fact is that you are not the only one with potential access to all of your racks. And you are not the only one capable of monitoring all the network traffic. Those who manufactured network cards can do it too. Again, I am not saying that big internet corporations are doing all those spying and sniffing of people and other entities online, just that if they wanted to, it would be technologically possible.

Anyhow, all the worries of today's digital world end with privacy concerns. If you are a villainous criminal or a mad hacker, all you can do is steal somebody's identity data and log into other people's accounts for whatever malicious reasons you would do that, but you can't physically and directly harm somebody. In the past I have had these encounters with online thieves, and one of them cracked my password, logged into my dial-up account, and used free internet for a while until I went physically to the internet provider and overrode him for good. After that experience, I am creating complex passwords, and on a couple of occasions, they are so complex that even I forget them after a few weeks. I guess now is as good a time as any to thank all those "Forgot your password?" links standing timidly next to login forms.


However, the Internet of Things will have the power to end all of those 'benignities' of today's online world. Smartphones will not be the only systems with a 'smart' prefix. I am imagining all the varieties of SmartHomes, SmartCars, SmartShips, SmartRoads, SmartOffices, SmartFields, SmartTraffic, SmartEnergy, SmartPolitics... Ok, let's not push it. Some things will never happen. Nevertheless, and seriously speaking, even though this post looks like I am against the future breakthrough in the Internet size and means, many of the IoT-based gadgets will be extremely helpful. Think of the future SmartForest with many embedded fire sensors and intelligent surveillance cameras or SmartHealth gadgets actively monitoring your health signs and alarming anything potentially hazardous, either from within your body or by sensing bad food or air or any type of toxin in your near proximity. Surely every bright medal has the opposite side, and with the possibility of accessing all the gadgets online and controlling them from a distance, I am more than positive that we will be facing SmartViruses as well, and still, just people's passwords to access their mailboxes or bank accounts will be completely dwarfed by the online crime of entering somebody's house system and starting to leak gas while everybody is sleeping.

I am not quite sure that the Internet of Things will exactly be "The Fourth Industrial Revolution", but in one way or another, after a decade or so of transition years, it will be our everyday reality, and the next generations will embrace it and take it for granted just like we do with our current technological surroundings. Or our fathers and grandfathers and their lives within old-fashioned telegraphs, radios, and CRT television sets. Or their fathers and grandfathers with newspapers and books.


Anyways, we will be dealing with IoT when it happens, and I am sure I will be writing about it in general or in specifics on this blog or elsewhere in the future, but today I only want to end this story with a recommendation of one great related novel. About thirty years ago, I was watching WarGames on one of my first VCRs, and it instantly became one of my favorite films. I was more or less the same age as Matthew Broderick back then, in the middle 80s, when he played the lead role in the movie, and needless to say, I spent numerous hours watching it again and again and even read David Bischoff's book based on the original screenplay and enjoyed it all the same. At least for me, it was definitely an influential book of the decade. Every now and again in the previous thirty years, after WarGames, I was wondering why no decent book or movie was made to represent the real successor of the original story only in the realm of nowadays' Internet instead of WarGames' military background. And after three decades, finally, last week, on a friend's recommendation, I purchased Daniel Suarez's "Daemon". In the 'book' thread of the blog, I reviewed many titles without much of a spoiler, and to continue in the same fashion, all I can say is that it's one of those books you hate to leave, and as I am very close to the end, I don't see what would happen to force me to not give it a full five stars. "Daemon" is exactly what I was expecting after WarGames. I read that Walter F. Parkes, co-writer of the original WarGames screenplay and producer of the Man in Black movies, was interested in producing the movie "Daemon" and its sequel, "Freedom" (or "Darknet" in some editions), but this is still in "the clouds", probably due to the extremely technical plot and twists. Perhaps "Daemon" is more suitable for a mini-series or sci-fi TV show... Time will tell.

As for me, my time in the near future is locked and reserved for "Freedom", eagerly waiting in my Kindle's memory. With the same enthusiasm, I am embracing a not-so-near future full of "Internet Things" and what they will bring to our technocracy.

Image refs:
http://www.irishtimes.com/business/technology/iot-brings-potential-security-threats
http://www.blu-ray.com/movies/WarGames-Blu-ray/47282/
http://www.amazon.com/War-Games-David-Bischoff/dp/0440193877
http://www.amazon.ca/Freedom-TM-Daemon-Daniel-Suarez-ebook/dp/B002VUFKDY
https://3dprint.com/113502/iot-2015-person-of-the-year/

Refs:
https://re-work.co/blog/embrace-the-iot
https://en.wikipedia.org/wiki/List_of_automated_urban_metro_subway_systems
http://www.forbes.com/sites/jacobmorgan/2014/05/13/IoT
https://en.wikipedia.org/wiki/Internet_of_Things
http://www.amazon.com/War-Games-David-Bischoff/dp/0440193877
http://www.amazon.ca/Daemon-Daniel-Suarez-ebook/dp/B003QP4NPE/

Why Do We Age?

Did you know that there are certain species on the face of the Earth that are truly and literally immortal? Yep. They never die. Of old age, that is. I am not talking about some microscopic bacterial life or stubborn viruses in existence. No. Real animals. Take these two: turtles and lobsters. They literally don't age. When it comes to first one, I can't resist not quoting article in below refs* I read online—to the logical suspicion of endless turtle lifespan and why in the aftermath they don't crawl everywhere we look today, they answer, "Of course they die; otherwise we'd be swimming in turtles, but the weird thing is, they never seem to die of old age. It's always a disease, or a falling boulder, or Master Shredder". And this is a real truth, actually, including 'Master Shredder', who might be just a metaphor for us killing turtles for food or purses and belts or whatever we do with dead turtles. Joking aside, the very research of big turtles shows no evidence that their bodies change or mature after they pass their teenage years. They are literally capable of sexual reproduction until the end of time. And again, the glimpse from the noted article stating the obvious: "They can breed and lay eggs until the day they drop dead, and that means that, technically, a turtle can live and have sex forever". The same is with lobsters—well, I am not sure about the sex thing, but they don't age either. Just grow bigger and bigger and bigger until they finish their lifespan in the kitchen of some fancy restaurant. When they got so big that their shell couldn't sustain them anymore, they just got out and started growing a new one. I am sure somewhere out there in the bottom of some sea or ocean there are lobsters today old enough that they are actually living witnesses of Darwin's "Beagle" sailing out for her historical voyage around the world in the early nineteenth century.


I am sure by now you already started growing an ultimate regret about why on Earth you weren't born on one of the Galápagos Islands, hatched out from some egg, and spent eternity practicing martial arts—and instead ended up being a human. But seriously, the title's question is real and open for scientific discussion. And for theatrical purposes, let me repeat it: "Why do we age?" And ultimately die? Surely, if we find out why, the next question is, of course, can we cheat it? Expand it? Live forever? If we find out that is possible, the third question in the row imposes. Should we do it?

But, before we dive into deeper thoughts and evaluate leading theories and hypotheses, I remember when I started with a blog, one of my early small posts in the humor thread was a couple of famous quotes about life itself. As far as I remember, many of them were really plain and intelligent jokes, but the one said by Ronnie D. Laing, a Scottish scholar who dedicated his life to research of mental illness and psychosis, was probably hitting the target in the bullseye. He said, "Life is a sexually transmitted disease, and the mortality rate is one hundred percent." If we extract the humor from this one-liner, what we really get is, perhaps, the ultimate truth. Reaching your or my old age, or death itself, might be nothing else than a genetic disease, in a stretched form of the definition of the word 'disease', and we might be able to do something about it.


Well, contrary to lobsters and turtles (and some other 'immortal' species like certain types of whales, seashells, sponges, hydras, etc.), we are mammals, pretty different kinds of anim... ahem, species. We are different in many ways, genetically speaking, and compared to, for example, reptiles, we cannot regrow our teeth or entire body parts as well, and our DNA, as it seems, has limited regeneration ability that fades with years and ultimately gets exhausted the moment before death. For those lucky to die of old age.

Two leading theories have been posted until today. First, it was proposed that living organisms have some sort of genetic expiration time, written in DNA. In other words, we are all combinations of genes of our parents and their parents and parents before them, all the way back in the history of our families, and this lucky mixture of genes, written in all of our cells, is built to last only a limited period of time. Even though this theory seems so unbelievable and far-fetched, it is actually hinted at in labs. In some genetic research of worms, altering their genome and some specific genes 'produced' the worms who actually lived four times longer than their unaffected peers.


If those genes with encoded expiration dates really exist, finding and rewriting them might be able to increase our lifespans. However, the second theory is much more appealing and easier to understand. It simply says that our cells die at the end of the cycle due to too much damage they suffer over time. To simplify it, there are two types of DNA in our cells: nucleus DNA, which defines us, located in the cores of cells, and mtDNA, residing outside the nucleus and in special parts of the cells called mitochondria. While nucleus code is used during the cell's division to produce another cell with the same DNA, mtDNA is there mainly to produce energy for the cells from the food we consume. And both DNAs can be damaged over time due to various factors, and as time passes over years and decades, the damages become more severe, and at the end of the process, which we know as aging, the entire organism dies. If we focus on mtDNA first, it's logical that these 'power plants' of our cells endure way more pressure than their fellow DNA in the nucleus, as they are in the first front lines hit by influences of the food we eat. From that food they produce energy and, in the process, a very bad byproduct called ROS, 'Reactive Oxygen Species', which are a variety of oxygen-based molecules that are very dangerous for the power plant itself and very capable of ultimately damaging the cell and mtDNA to the point of full destruction in the process of unwanted mutations. Basically, if you are now thinking that a special sort of diet or simply eating less food would give you a longer life, think again. In fact, if you do so, it is logical that more DNA in mitochondria will survive over time in their intact form, but on the other side, restricted diets in lab animals show that they grow slower than normal, reproduce less than normal, and have more endangered immune systems than usual. We need food. It is essential. So, don't stop eating, but try to do it properly and in the most healthy way possible. But the theory of lifespan directly related to the healthy mtDNA is proven in poor lab mice in which scientists encoded a faster genetic mutation of mitochondrial DNA, which resulted in faster aging and a shorter lifespan—they actually lived three times shorter than their 'normal' friends and cousins. So oxygen is bad and ultimately kills you. And yet we cannot live without breathing, can we? A paradox of creation, especially if you are a believer.

What about nucleus DNA in our cells? Are they also causing aging in the process of mutation? Yes, due to mutation of the nucleus, DNA cells end up in a cancerous or non-cancerous state, which is pretty much a defect and the cell's death. During an organism's growth, cells divide in the process called 'mitosis'—one 'cell, by using code in the nucleus, DNA, divides into two new cells, which are exact replicas of the parent cell. Even after an organism has fully matured into its adult stage, cells still continue to divide for the purposes of reproduction and replacement of lost or dead cells. However, as it seems, both resulting cells are not really and exactly the same as their predecessor cells. Yes, the code in chromosomes is the same, but the ending caps of the chromosome structure are getting shorter after each division. These caps are called 'telomeres', and their main purpose is to protect the end of the chromosome from connection with other chromosomes. After numerous divisions of the cells, telomeres run out, and this is pretty much the end of it. The cells are after that doomed. But this is not the end of all the ways of the one-cell doomsday scenario. According to Aubrey de Grey, one of the leading scientists in biogerontology, the scientific subfield of gerontology concerned with the biological aging process, over the years the cells accumulate various molecules that are no longer useful and potentially harmful. And not just within the cells, but also in the space outside cells. Those molecules are scientifically called 'intracellular and extracellular aggregates', but their real names are 'junk molecules', and, like the name suggests, the more of an accumulation of junk, the more dysfunctional the organism becomes. Dr. Aubrey de Grey proposed even more processes, on the cell level, influential in aging, and thanks to his research and the entire scientific mainstream, which is still ongoing research, we definitely understand it more than ever.


Benjamin Franklin once said that in this world nothing can be said to be certain except for death and taxes. I, for one, would definitely like to see the end of death and taxes for sure, and even though it is very hard to imagine a world without taxes, death, after all, might be a very different story. Well, understanding aging is one thing, and finding the cure for it is surely another, not to mention manufacturing a 'cheating-death' pill is not really in the realm of possibility anytime soon. Even the 'genetic pill' that will be able to slow down aging or the one capable of reverse engineering that would replace the mythical fountain of youth (or Lazarus Pit from the DC Comics franchise) is far away from the horizon. However, what is on the horizon and even much closer is the effort and research. Last year Google announced a plan to invest lots of money into California Life Company, aka Calico, and if you go to their website, the first thing you will see is their motto, "We're tackling aging, one of life's greatest mysteries." If you dive into the current stage of IT-leading entrepreneurs and futurists, it seems they all are sharing the same enthusiasm in the "curing death" realm, and I can't help but state the similarity with A.G. Riddle's new novel called "Departure", which pretty much influenced me to write this post, even though I was planning it for a while. I will not spoil the reading for you, but in a nutshell, one of the background stories in it is dealing with immortality, which, in one way or another, resulted in the end of civilization as we know it. I am encouraging you to read the book; it is definitely one of the best novels of the year in the sci-fi realm. In short, in the aftermath related to immortality, one of the leading characters from the novel, Sabrina Schröder, was portrayed giving a TED talk about cheating death and why we should avoid it on a large scale. That's all I would say. Sorry, but you would have to read the entire book to understand everything. I will just say that I hope Riddle's 'Titans' are not predictions for 'Googlers' or 'Applers' or 'Calicos' or whatever the name they come up with in the upcoming breakthroughs in aging research.

As for me, I am sure I wouldn't mind prolonging life a bit, or a little bit, or a 'frakking' long bit, but avoiding death is raising lots of other dilemmas in morality and everything else. It could be handy on long interstellar voyages, though, but it is not far from the truth that reproduction and further evolution of humans would be in real danger if everybody took the immortality pill and if we were stuck in the current stage of evolution without offspring of any kind. Morality issues of a potential cloning of a human being and making it immortal might not be too different.


Extending the lifespan is a very different story. I would always take the red pill and jump into the rabbit hole without hesitation. Life is way too short. After all, lifespan is something nature and evolution have been working on for centuries. If we learn to push and help a little with science, I would definitely be aboard.

Refs:
http://www.calicolabs.com/
http://www.medicaldaily.com/cure-aging-google-plunks
http://www.telegraph.co.uk/.../trying-to-cure-ageing.html
https://en.wikipedia.org/wiki/R._D._Laing
http://genetics.thetech.org/original_news/news10
http://www.todayifoundout.com/index.php/2014/05/age/
http://www.agriddle.com/departure/sabrina
http://www.agriddle.com/Departure
* http://www.cracked.com/animals-that-are-immortal.html
http://www.aboutdarwin.com/voyage/voyage03.html

Image credits:
http://nocamels.com/2013/12/stop-aging-to-prevent-alzheimers/
http://nocamels.com/2015/06/genetic-sequencing-evolution-cancer-brca1/

Time Travel

It's a well-known fact that our universe is, as far as we know today, a four-dimensional space-time continuum with three spatial coordinates and time playing the role of the fourth one. We are perfectly capable of traveling backwards and forwards within the first three spatial coordinates, but is it possible to do the same on the fourth one? I am sure you would agree that it is not too exciting going up or down or left or right, but traveling through time could be something special. But is it possible? Let's explore all the theories, share some stories, and read about one connected hoax.


Well yes, like many of you, I also love reading sci-fi stories and watching great movies about time travel, but before I start upgrading my DeLorean with a brand new flux capacitor kit I can find online, let me tell you a story that inspired me to start reading articles and buying popular scientific books regarding the famous fourth dimension of our universe. It happened about 12 years ago when I was telecommuting with a Munich-based company developing software for interactive conferences for pharmaceutical companies. We did a great job, and I was asked to visit Munich for some software tuning and also for some socializing with my partners during the famous Oktoberfest festival. This is kind of a "conference" where instead of software driving the event, the only tool needed is, you guessed it, a great Bavarian beer. So, one night we went there and had a great time. I remember my visit didn't hit the main Oktoberfest night, but still the feeling was all the same. We were sitting in the big hall filled with lots of wooden tables, and I estimated up to 500 people in there. In one brief moment of insanity, I spotted a man enjoining his friends about 50, maybe 70 meters away from us. They were doing the same as us, drinking beer and having a good time, but what impressed me the most was his appearance, which hammered my head for a couple of moments or more. He looked amazingly like the gray aliens portrayed in the Fox Mulder X-Files that aired at the time. He had a large head compared to his body, large slightly curved black eyes, a small nose and mouth, and not much of ears on the top of his head. Probably because of the large amount of beer, I didn't remember clearly what happened after, but I was probably in the center of loud laughter when I pointed my finger and said, "Look, there's an alien drinking beer!" I am sure the amount of beer I drank was responsible for the whole thing, but still, ever since then, I can't stop thinking that gray aliens are nothing more than just our future descendants traveling through time, visiting the past and enjoying good shows, like in this case the best quality of Bavarian beer, especially brewed for Oktoberfest.

Let's face it, we surely don't know how humans will evolve within the next millennium or more, but I am confident that one particular outcome could be just like grays! It's not far from reason that our body would evolve down while our head will be 'heading' in the opposite direction in the future, directly caused by fewer physical activities and more brain evolution toward rationality. Anyway, if I am a future human in possession of a DeLorean with a working flux capacitor from "Back to the Future", after visiting a couple of main historical events, I would definitely visit some great entertainments of the past.


Ok, ok, I know how ridiculous this sounds, so I will stop now and try to get back to the main topic. Let's try to summarize what we scientifically know about time and how to bend it. Through Einstein's theories, we now definitely know that the universe is built from the fabric that is bendable. It was first proven by a famous experiment during a solar eclipse, which showed the curvature of light from a star as the light rays passed by the sun. Arthur Eddington led an expedition to West Africa back in 1919 in order to take pictures of a solar eclipse with definite proof of dislocated stars located next to the sun's disc, caused by a curved universe caused by the sun's large mass. In other words, we definitively know that spacetime is bendable, but the physics of how and why it bends is a completely different story. According to Einstein, in lack of better knowledge of the universe's fabric itself and lack of discovery that would prove the existence of gravitons, we can't say for sure even that gravity is a force at all! It could be just a property of the space-time fabric that bends easily by mass. In other words, the universe could be just a large system of perforated roads for traveling particles with mass and energy waves. Maybe to describe it better with a metaphor, if we are a large mass traveling throughout space and we don't have enough speed and encounter a curved space around a giant star, we are doomed and will be simply captured into circular motion around the large star. The question is, of course, is it possible to curve the space that much so we can travel the curved path back or forth in time? Thanks to Einstein, we now have a great understanding of the physics of the big. There are mathematical equations that describe and predict all known and still not observed objects in our universe. We are also aware of boundaries like the ultimate speed of light for any particle with a mass, and even the physics of the wormholes and warp drives are mathematically plausible. The only problem is that we are too small to comprehend the great amount of (negative) energy required to establish a wormhole or a drive capable of curving the space instead of propelling itself. In many theoretical studies of wormholes, it is still unknown whether or not it is possible to create a stable tunnel through the fabric.

It seems that building large shortcuts in the universe is still out of our reach, probably because of the great energy needed and our lack of understanding of the space fabric itself. The solution is probably waiting to be discovered within a quantum level of existence. Compared to enormous space and large objects, ironically speaking, studying the science of small particles and energy waves is difficult because we are too big! Simply put, we are unable to monitor and understand small objects because our monitoring tools are too large in size. For example, if we are using an electron microscope, we would only be able to monitor objects much larger than the electrons we are beaming into; otherwise, we would be adding additional disturbance to objects we want to see. Studying the quantum world is only possible indirectly, like in giant accelerators where we are beaming two small particles and forcing them to collide and then learning from the snapshots taken from the clash. However, quantum mechanics is a scientific discipline we have been researching for a century or so, and while there are many things waiting to be understood, we have already learned a great deal about particle physics, electromagnetic waves, and the quantum microworld.


So, what do we quantumly know in regard to time travel? This is the story of searching for the ultimate theory that could be able to connect the microworld with the fabric of the universe itself and explain both the physics of micro- and macro-objects and their relations. We are still out of luck, but a couple of leading theories arrived in the previous century in the form of string theory and its variations. What is common for all of them is that they compete with old particle physics either to replace it or to be built on it similarly to what the theory of relativity did for Newton's gravity theory. String theory in the form of a membrane, or M-theory, suggests multiple dimensions and also the creation of multiple universes caused by collisions of membranes. The microworld in this theory would be capable of living and traveling through multiple dimensions and perhaps even universes. Now, how is this connected to time travel? It is important because of our efforts to find a solution to a so-called time travel paradox where traveling backwards in time would be potentially dangerous because of the butterfly effect, where a time traveler, by changing something even as small as killing a butterfly, would end up in a fatal disturbance of the future already happening events. So the additional question arises: if time travel backwards in time is possible by bending space, how has nature solved this paradox? Two solutions are proposed, wherein in one the universe is blocking inconsistent events by its nature, so it is simply impossible for you to go in the past and kidnap Hitler or kill somebody's ancestors in order to change history. If a future version of you visits a younger you, then it is simply impossible to prevent you later in the future from not making the visit in the first place, as this already happened, and it is nothing but a closed, inconsistent loop that is very hard to imagine. Too complicated? Maybe, but then check the other solution where time travel actually places you in a different timeline or parallel universe with copies of you and others. The quantum world recognizes a so-called quantum entanglement where two particles share the same properties even when located in two different locations in space, maybe in time, and perhaps even separated by two dimensions or branes. Does it look like 'fringe' science to you?

Either way, traveling back in time seems to be impossible, blocked, or extremely hard. If you ask Stephen Hawking, the only proof we need is a lack of tourists from the future visiting us. Of course, if you exclude my encounter with the Oktoberfest and gray alien from the beginning of this story.


Like you probably noticed, this post is more about traveling backwards in time, but it would be unfair not to mention the ease of traveling forward in time. We are doing it on a daily basis, and since you started reading this post, you have traveled forward in time for a couple of minutes by now. However, jumping forward into some future destination in time is a different story, but thanks to the theory of relativity, during fast flight of, say, 95% of the speed of light, traveling into the future is more than possible. So to speak. In theory, that is. Namely, it is a well-known thought experiment where a train is circling the Earth at near to light speed for a period of 100 years. Time in the train could be slowed down by a ratio of 1/5000, and their passengers would be older by only one week compared to their fellow Earthlings, who got older by one full century or so.

Like I said, easy. :-)

Time travel is not only popular in scientific circles or sci-fi stories. It is also popular among internet hoaxes. Back then, during 2000 and 2001, a guy named John Titor ruffled the internet audience of the time within bulletin boards and forums, claiming that he came from the year 2036 of his own universe into ours as a guinea pig of the government time travel experiment in his own future time. He was sent to retrieve some old computers they lost in their timeline. He even posted various images and schematics of his time machine based on contained micro singularities installed in the car capable of bending the laser beam toy and therefore the space-time itself. It was enjoyable how detailed it was, along with predictions of future nuclear wars, the CERN LHC experiment, the war in Iraq, etc. Don't miss this story in the below links. I am looking forward to the movie.

* Image credit
http://www.imdb.com/title/tt1092026/

Refs:
http://www.dailymail.co.uk/.../STEPHEN-HAWKING-How-build-time-machine.html
http://science.howstuffworks.com/science-vs-myth/everyday-myths/parallel-universe.htm
http://www.npr.org/2011/01/24/132932268/a-physicist-explains-why-parallel
http://www.quantumjumping.com/articles/parallel-universe/parallel-universes-theory/
http://www.dailymail.co.uk/home/moslive/article-1269288/STEPHEN-HAWKING
http://library.thinkquest.org/27930/wormhole.htm
http://www.h2g2.com/approved_entry/A6345407
http://en.wikipedia.org/wiki/John_Titor

Atlanteans

If I am going to give a thought or two about ancient Atlantis, its mysterious people, and all the conspiracy theories behind it, there is no doubt that I'll first think of the origin of the story. Classical Greece and Plato. One of the most famous scholars from BC. In his own time, Plato was definitely the top Greek philosopher from ancient Athens, who lived in the fourth century before Christ and dedicated his entire scholarly life to philosophical research and development of modern society and politics. The method he used in his publications was dialogues, a very popular way of expressing scientific thoughts at the time. Plato's dialogues, in which he never took the role as one of the participants, were often the front story accompanied with narration, but in some of them he even excluded the narrator and presented his work in pure novel style, with his characters carrying the story all the way.


In regard to today's title, two dialogues are especially interesting—Timaeus and Critias. Participants in the dialogues were Socrates, Timaeus, Hermocrates, and Critias, and Plato tried to describe the perfect society time-framed way back before the old Classical Greece. In short, these two dialogues describe a tale from a man called Solon, another Athenian, who, during his travels throughout ancient Egypt, learned about mysterious people who lived and perished many generations before. Twenty years or so before these dialogues, Plato had written his masterpiece "The Republic", in which he discussed what he thought of an ideal state with a 'just man' and the meaning of justice in general from the point of view of Greek cities from the classical time. His ideal state was named 'Ancient Athens', placed in existence 9000 years before Plato's time (or 900 if the suggested error in translation is true), and governed with a superior and almost utopian society. As it seems, Atlanteans are used in Plato's books just as an example of how even the enemy that was so powerful, beyond any current comprehension, is incapable of defeating a perfectly regulated society. After that the story went wild, and Atlanteans, who tried to enslave the entire Mediterranean, were easily defeated by 'utopian' and perfectly organized Athenians. In the aftermath, their superb armada retreated to their island, and the gods in their final rage destroyed the entire Atlantean civilization, which Plato described in his famous words, "There occurred violent earthquakes and floods, and in a single day and night of misfortune, the island of Atlantis disappeared into the depths of the sea." In the second dialogue, "Critias", Plato described in more detail the origin of the 'ancient' Atlanteans, with extensive use of old Greek mythology, as Poseidon's heaven, who created a perfect society that ultimately, over time, started to fade out as soon as they started losing their divine origin and got overwhelmed in corruption.

Today, we have great knowledge about ancient Greek times, and so far there are no scientific facts in favor of "ancient of the ancient" Greek society that is older than 3 millenniums BC, who fought mighty civilizations that came from the other side of the Pillars of Hercules and both vanished without a single trace. However, there is a faint clue and tons of theories of where Plato really found inspiration for this incredible tale.

Reconstruction of a late Cycladic Ship (© 7reasons, Michael Klein)*

As for the faint clue, I would vote for the ancient Minoan civilization and their predecessors, who preceded the Greeks in the Aegean and suffered ultimate decimation from both natural disaster and human invaders. They lived on the island of Crete within the ancient settlements of Knossos and Gortyn and also on the northern Aegean island of Thera (Santorini) in the ancient site of Akrotiri, which, just like Roman Pompeii, is remarkably preserved after the tremendous volcanic eruption. Their civilization flourished in the late Bronze Age and, like in Plato's words, within a single day and night, around the year 1600 BC, disappeared into the sea in one of the most powerful volcanic eruptions in the history of the entire world. What is today known as 'The Minoan eruption of Thera', seismologists tend to classify as four times more powerful than the well-known explosion of Krakatoa. If Minoans had more settlements in the neighborhood, which was likely, they were all destroyed and sunk during the natural reshaping of the archipelago. A massive eruption, no doubt, created a large tsunami wave that probably reached all the way to Crete and ultimately decimated the Minoan people in the northern part of the island. In the following years, pirates and thieves from the sea and land took the chance and made sure for Minoans to never recover to what they once were.

Well, in conclusion and after this small history glimpse, if you ask me, there is a fair chance that Plato's Atlanteans are truly based on ancient Minoans. After all, 2300+ years ago, in Plato's time, the world wasn't big, and the entire cradle of the civilization, as we popularly call Greek Classical times, was small and all about the Aegean Sea. Even the Mediterranean was too large for wooden galleys and far travels. Ancient Minoans came to the Aegean two millennia before Plato, and after their misfortune, I am sure the legends and myths about them grew slightly above the facts. Still, their language, clay tablets, art, pottery, architecture, and overall history prove they once were a very respectful and organized society.


There is no doubt that Atlanteans from Plato's 'Timaeus and Critias' served just a supporting role in this piece of philosophy, but still, ever since, the Atlantis story has had a large impact on literature, comic books, and movies. They are used in tons of novels and portrayed as an insanely advanced civilization with all the technological wonders, perfect cities, flying ships, state-of-the-art armory, etc. There is no bay or gulf in the Mediterranean Sea and Atlantic Ocean all the way to the Caribbean that some rich adventurer or scholar didn't try to find the Atlantean ruins or at least to post a new theory of the Atlantis site or a conspiracy theory of some sort. To be honest, I am really ok with that—if you look at it from the entertainment point of view, what you get is very much fun, and if you read it on the beach, it surely adds another level to your vacation time.

This is exactly what I did this summer, and during our ten days of R&R on Thassos Island of the northern Aegean, I loaded all three books of The Origin Mystery on my Kindle and swallowed them all in record time. Honestly, from this trilogy I expected a lot, and this is exactly what I got! You have to be brave to make yet another novel about Atlanteans, and A.G. Riddle wrapped it just right. He managed to connect several sci-fi genres into one successful story. For my taste all the sciences are there and connected perfectly. Biology, virology, genetic research including junk-DNA involvement, physics and space travel, quantum entanglement, Antarctica, known history, and the use of connection and conspiracy theories like the Nazi bell (Die Glocke) or the Roswell UFO sighting. Play with time dilation and hibernation. Space battles of enormous proportion. Explanation of gods and ancient astronauts. If you add the usual 'Indiana Jones' type of adventures and romance, there was no better choice for me this July. Perhaps, using so many connected sciences in the plot is too risky, as the author faces the challenge of choosing what is more important and deserves to be explained better at the expense of other technologies or speculations, but I don't mind. All in all, Riddle's Atlanteans are perhaps the best version I've read in a long while, and I warmly recommend it.

Reconstruction of the Akrotiri Supervolcano (© 7reasons, Michael Klein)*

As for the real Atlanteans, or in this case ancient Minoans, I hope some of next summer will lead us to the southern Aegean, and then this story will earn another post in the thread. No doubt with images from ancient Akrotiri. In the meantime, don't miss the below link with incredible scientific reconstructions from before the Minoan Eruption made by the Ludwig Boltzmann Institute for Archaeological Prospection and Virtual Archeology (LBI ArchPro).

Image credit:
The Akrotiri Supervolcano (© 7reasons, Michael Klein)

Science of Life in Solar System

There will come one day in the future. Relatively and astronomically speaking, it might come sooner than we think. It could happen way before we realize that there is no turning back. The day when Mother Earth will simply say, Sorry guys, I have no more energy to sustain this kind of life anymore, and when most of the biodiversity cocoons on Earth will reach the ultimate hazard and start imploding back into themselves. Air and water pollution will help a lot, and not even the planet's regular motions will be able to take us into another interglacial cycle. It is as much inevitable as what we are going to do next. We will take a long look toward the stars and say, "Well, we have to do this sooner or later. It's time to leave the Earth. Time to jump into Christopher Columbus's shoes again. And find the new home."

But we will not get far. There will be no warp drives, "phasers on stun", robots, AIs, or artificial gravity like in sci-fi blockbusters, and there will be no scientific breakthroughs that will bring Moon or Mars gravity to the comfortable number of 1. No, we will be completely helpless in all our efforts to terraform other planets and gas giants' moons. Not at first. Or fast. Or to make large asteroids rotate. Or to initiate Mars' core to fire its lost magnet. Or to make Venus act a little less than hell.


Artificial biodomes of Eden in Cornwall, England*

Schrödinger's Cat and Intelligent Movies

In short it goes like this: "There's a cat in a box... That has, like, a 50/50 chance of living because there's a vial of poison that's also in the box. Regular physics would say that it's one or the other. That the cat is either alive or dead, but quantum physics says that both realities exist simultaneously. It's only when you open the box that they collapse into one single event." This quote is me paraphrasing James Ward Byrkit, writer and director of the movie "Coherence", which I've just watched. Although Erwin Schrödinger, back in 1935, when he first wrote his famous thought experiment, invented a pretty complex radioactive trap for the poor cat inside the box, I think that "vial of poison" and James' full description in the script is one of the best interpretations of the quantum paradox there is. The quantum weirdness is one of the most intriguing areas in science that has been buzzing our minds for about a century now. I wrote about it a little last year in the post Quantum Weirdness, and when it comes to science, it was one of the posts I enjoyed writing the most in the past.


About 90 years ago, Niels Bohr, the greatest Danish physicist of all time, described quantum mechanics with perhaps the best explanation ever since. He said something like this: "A quantum particle doesn't exist in one state or another but in all of its possible states at once. It's only when we observe its state that a quantum particle is essentially forced to choose one probability, and that's the state that we observe. Since it may be forced into a different observable state each time, this explains why a quantum particle behaves erratically."* Well, describing the quantum behavior has been a challenge ever since, and because of Bohr, who managed to do it first, all other explanations combined we call today "The Copenhagen Interpretation". Schrödinger's cat is just Erwin's metaphorical attempt to put it closely into our world of big, which we should understand better. But we will get back to the 'cat' later.

And relax, this is not going to be a scientific post or some nerdy brainstorming and (usually) utopistic ideas of mine. Instead it will be about movies. Yep. Just a short glimpse of one of my favorite directions within the sci-fi genre of movies. The one where, just like with reading books, you don't need any big productions, fancy and state-of-the-art visual effects, expensive sets and VFX, or famous actors to create great entertainment. This is a genre I like to call sci-fi for the brains. Like in the movie "Coherence", the plot is placed down to the real people, or to be precise, into familiar settings. There are no spaceships or vividly animated aliens or any villains for that matter. All you need is your imagination and a little background knowledge, and that's all.


I will show you now three movies. I recommend them warmly and without spoiling the films too much for all of you who still didn't have the chance to watch them. A couple of days before "Coherence", I saw the blockbuster "Edge of Tomorrow". I liked it a lot, of course, but still, even with a great cast and effects, the story is nothing exclusive or new. It also provides expected closure and leaves no room for too much thinking or brainstorming over the story. On the other side, "Coherence", with its relatively anonymous cast and script that can easily fit within the set in some small theater or school gym, tried to exploit the very cat of Mr. Schrödinger's and provide one more Copenhagen interpretation, only this time with people in main roles and our own personalities instead of "a vial of poison". It all started with a simple dinner party and with ordinary people who eventually realized what might happen when you open the box. Is the cat alive or dead, or, to be precise, what is really happening when different possibilities emerge out of the box at the same time? Try to find out at the end of the movie. It's not what you might expect and what we got used to in regular movies, but not every story has a happy ending. I guess in this one, the ending is like in quantum mechanics and like the cat from the century before, "Coherence" has both a happy ending and ... not. You have to see it to understand. That's all I will say.

The second sci-fi jewel in the same subgenre is "The Man from Earth", written by Jerome Bixby and directed by Richard Schenkman back in 2007. The science behind this one is biology and how, in its most divergent (and also on the edge of impossible) path, it might affect the very history of mankind. Or to be precise, explained it. The story focuses on John Oldman, the man who, due to some biological anomaly, hasn't aged ever since he was born in Cro-Magnon tribal society 14000 years ago. Like any other science fiction, the movie doesn't try too much to explain the reasons for his presence and instead portrays his struggle to fit, ability to learn throughout time and adapt to different parts of the world, and his everlasting craving to tell somebody his story. And this film is exactly what it is about—finally, the "old man", Oldman, currently a university professor who's about to leave and start another loop, decides to share everything with a group of his peer colleagues. Well, he will learn that impossible stories like his one are not possible to be accepted that easily or at all. But the audience behind the screen will get great entertainment and possible solutions for some parts of our own history, and especially religiosity and its main figures during the eons. Including Buddha and Christ. Oh yes, and don't expect the sword fights, mad scientists, or any action at all, like it was in "Highlander" and its almost stupid plot with cutting heads off for the "prize". The set of this movie is only one small living room. The only thing you have to do is sharpen your brain cells before clicking the "Play" button.


Finally, the last one is "Primer", an extraordinary film written, directed, and produced by Shane Carruth. Shane was also playing the main character in the movie, and the entire project finished with only $7,000. It's hard to say what science is behind this one. Probably the best bet is to use the word "fringe" for this, as the main theme and background technology is "time travel". The script is based on one of the oldest time travel paradigms. The one that doesn't include parallel universes, and instead the time traveler is ending up in his very own universe where the danger of the "butterfly effect" can ripple the time stream and change everything. This is the most intelligent script and movie I have seen so far, and before I watched, I read some reviews and remember this one: "Anybody who claims they fully understand what’s going on in ‘Primer’ after seeing it just once is either a savant or a liar". Well, I am not either, and to be completely honest, I didn't manage to follow the entire story and understand it after the first (and last) watching, but more or less I got almost the whole picture from that only session.

The key point in understanding the science (fiction) behind "Primer" is to comprehend what is happening with the guy who enters the time machine and, when he does in the first place, why his major concern is to make sure that his parallel copy enters the box no matter what. The problem with this is well speculated in the article from Discover Magazine I read once, and in short, if time travel into the past is possible, nature must have some mechanism in order to prevent inconsistent events like in this case, the non-entering of the box by the time traveler after the loop is initiated. Confused? Maybe to better understand this paradox, take a look at this image***:


The hazard is obvious: if the "original" in its own blue timeline didn't enter the box at 6PM, the green parallel timeline would not exist in the first place. In other words, if "double" meets "original" and stops him from entering the box, the paradox is obvious, and we can only imagine what happens if that "butterfly" occurs. That's why "the science fiction behind time travel" in recent years actively rejects this approach and involves another universe being the destination for time travelers instead of the origin universe, which would explain the consistency of traveling into the past. Of course, we might ask what would happen if ALL "originals" from ALL universes decided to time travel? Whatever universe they arrive in, the copy of them will be needed to enter the box in the destination universe, and we have the same problem again; let's call it the "Multiverse Butterfly Effect"... Anyway, if you didn't see "Primer" or want to watch it again, try to comprehend this image first. It will help a lot.

These three movies, even though from the same genre and subgenre, differ in the background science used, and I can't truly compare them with each other. So I can't favorite one of them, but these are the movies I like to give thoughts to again and again... They are not really made for just entertainment and, for me, are more memorable than regular sci-fis.

Images and article refs:
https://commons.wikimedia.org/wiki/File:Schroedingers_cat_film.svg
http://en.wikipedia.org/wiki/Schrödinger's_cat
* http://science.howstuffworks.com/innovation/.../quantum-suicide4.htm
http://en.wikipedia.org/wiki/Niels_Bohr
http://plato.stanford.edu/entries/qm-copenhagen/
http://coherencethemovie.com/
** http://www.amazon.com/Wanted-Schrodingers-Magnet
http://manfromearth.com/
http://www.primermovie.com/
***http://en.wikipedia.org/wiki/Primer_(film)
http://www.myvisionmyway.com/the-man-from-earth-minimalist-poster.html

Are We Holograms?

Most of the famous movies and novels that are dealing with remarkable and bold scientific ideas in existence, like plotting the script behind the most intriguing property in the latest string theory called the "holographic principle", lack one main attraction I am always looking for in science fiction. The plausibility of the story. To get to the wider audience, science behind is somehow always pushed below the main layer, and the result is either too philosophical, ridiculous, or unnecessary complex (like planting humans for energy in 'Matrix' by AIs) or simple love story, like in case of "The Thirteenth Floor", or other simple and proven Good-vs-Bad chases in virtual realities, like those portrayed in Caprica.

The Thirteenth Floor*

But, if I had to choose one of those Hollywood fictions, maybe you would be surprised if I preferred "The Thirteenth Floor" over all the others I had a chance to watch or read. For one simple reason. Like with the holographic principle in string theories, producers identified one very true prediction in such realities and embedded it in the film and its poster ad as well—the boundary that represents the very end of the world. In the movie, both virtual characters learn about their worlds not being the real deal by discovering their own artificial horizons where all the roads inevitably and ultimately end. Almost like in the Middle Ages when the Earth was considered to be flat and there was a point where it eventually ended or in the myth with Earth carried by four elephants standing on a turtle floating in a never-ending ocean. Like many times before, the science fiction behind this might not be too far from the truth at all, and if you think that centuries after the flat Earth myth, we finally learned that Earth is spherical and doesn't have an end along with our endless and ever-expanding universe, well, think again. With new findings and several published papers within ongoing string theory research, especially within holographic principle research of black hole event horizons, a new and exciting (or disturbing, looking at it from our own perspective) plausible reality might be considered the accurate one. And yes, with the new theory, our own universe now has an end in the form of one tiny two-dimensional bubble where we all might actually be located in our true form, and the universe, as we perceive it, is just a figment of our imagination or, to be precise, a hologram made out of some other reality residing in the outer bubble we simply know as the cosmological horizon.

Plausible?

Like with the end of the road in the movie, theoretical physicists hit the wall sometimes when they try to describe some astronomical processes. Exactly this was the case when Stephen Hawking discovered black hole radiation. Hawking radiation is made out of a pair of virtual particles emerging from a vacuum where the positive particle manages to escape the event horizon while the negative one gets absorbed by the black hole, resulting in the black hole losing energy and eventually evaporating. In other words, radiation from a black hole seems to not originate from the inside of the black hole at all. If this is true, then all the information of the matter swallowed by the black hole is lost forever, and that in fact contradicts quantum mechanics, which dictates that nothing, including information, can ever be lost. At the time, this problem, called the black hole information paradox, divided leading scientists to the point of a simple bet, where nobody was absolutely sure what was going on in the mysterious holes. There was even a book, published six years ago, conveniently named “The Black Hole War” by Leonard Susskind, committed to this paradox in physics.

Holographic Principle to Multiverse Reality**

Of course, paradoxes are only there to indicate that something is wrong, either with fundamentals or with the theories. In this case it's either something wrong with quantum mechanics and its math, and information can be lost in black holes, or this is impossible and some new (or one of the existing) theory is still waiting to be proven and accepted by mainstream science. You can find many of proposed solutions in below links, from the one where information still, by some unknown process, find the way to leak along with radiation of virtual particles through the one, that I preferred in the past, where black hole in the other end forms a baby universe with all the information transferred to the newly created cosmos to the most hypothetical one in which something happens at the very last moments of black hole evaporation, similar to the supernovae explosion with all the information finally burst out or ... in the more exotic realm ... and what is the newest approach and recently backed with new evidence, that all the information actually got copied in the tiny two-dimensional film of the event horizon and maybe never entered the black hole in the first place by some black hole quantum mechanism. If we use the life metaphor, the content of a black hole holds only corpses, while information, like a soul, left the body in the moment of death, or in this case, when it irretrievably fell into singularity. Actually, this approach is now widely accepted among string theorists, and it is appropriately named the "holographic principle", which all new string theories now include.

The scientific explanation for this principle is "the description of a volume of space can be thought of as encoded on a boundary to the region". String theory, proposed by Juan Martín Maldacena, Gerard ’t Hooft, and Leonard Susskind with the holographic principle included, suggests that not only with black holes but everywhere in the universe, all the information needed to describe a closed system or volume of space with any physical process inside can be fully encoded within the two-dimensional surface surrounding it. If this is correct, then we can go further and conclude that all the physical processes in the monitoring system are actually happening on the surface instead of in its three-dimensional representation, and our familiar space-time continuum might be just a (holographic) projection of the two-dimensional entities and events. On the larger scale, this theory allows that the entire universe can be understood as the reality of a two-dimensional information structure encoded within the cosmological horizon, while the three spatial dimensions we live in are only its representation at macroscopic scales and at low energies described by cosmological holography.


In other words, it might mean that there is a two-dimensional me (and you) at the end of the universe, more than 13 billion light-years away, encoded somewhere in the cosmological horizon, that is a full description of myself and controlling all my actions (and reactions) over here. Strangely enough, recently more evidence has been suggested in scientific research by Yoshifumi Hyakutake of Ibaraki University in Japan and his team. What they did was to perform a mathematical calculation of the internal energy of a black hole based on the predictions of string theory. By using the proposed holographic principle, they compared the results with the calculated internal energy of the corresponding lower-dimensional cosmos with no gravity and found the amazing fact that they match completely. They, of course, used a model of a hypothetical universe, which is not a representation of our own, but still, this is the most valuable "proof" in favor of holographic theory. And not just that, if these calculations are right, this practically means that one complex universe with gravity included (that still fails to be understood fully) can be explained and compared by the flat universe with no gravity force whatsoever.

The holographic universe is, of course, highly hypothetical and hard to comprehend, but the main principle is solid; calculations are there, math exists, and it brings both a solution to the information paradox in black hole physics and a way to simplify our future modeling of astronomical systems. With a possibility to exclude gravity out of the equation, the holographic principle is already nicknamed the "21st-century Rosetta Stone" in the world of mathematics, and if proven accurate, we could be a bit closer to the final understanding of how nature really works. But, like any other new breakthrough discovery, it could open many more questions on the way, and the obvious one is if the main reality is in the information surface, how does it work? How does life fit in? Is it also located on the surface and projected like everything else, or perhaps living creatures are something else that works independently?

Images and article refs:
http://www.imdb.com/title/tt0139809/
** https://community.emc.com/people/ble/blog/2011/11/06/holographic-principle
http://www.pbs.org/wgbh/nova/blogs/physics/2013/12/do-black-holes-destroy-information/

Refs:
http://www.nature.com/news/simulations-back-up-theory-that-universe-is-a-hologram-1.14328
http://en.wikipedia.org/wiki/Holographic_principle
http://en.wikipedia.org/wiki/Black_hole_information_paradox
http://rt.com/news/space-evidence-universe-hologram-195/
http://discovermagazine.com/2011/jun/03-our-universe-may-be-a-giant-hologram
http://astroengine.com/2009/01/20/is-the-universe-a-holographic-projection/
http://www.universetoday.com/107172/why-our-universe-is-not-a-hologram/
http://physics.about.com/od/astronomy/f/hawkrad.htm
http://profmattstrassler.com/articles-and-posts/relativity

Aliens & UFOs

Not so long ago I mentioned the great city of Alexandria in the post Constantine & Naissus when I described the horrible misfortune and death of Hypatia, one of the greatest philosophers and astronomers of the 4th century AD, who lived at the very end of the classical Greek era of prosperity. Within the same city walls, a couple of centuries before, one of the greatest and most famous scientists of all time, Claudius Ptolemy, was living, exploring, teaching, and dedicating his life to various disciplines, including astronomy and, of course, the unavoidable astrology, which was considered to be "connected science" for centuries, especially in the old ages.

Rachel Weisz as Hypatia of Alexandria in Agora (2009)

Among other things, Ptolemy will be remembered as one of the first scholars who described and identified 48 constellations of clear and unpolluted nightly skies above Alexandria so many centuries ago. One of the biggest constellations in his list was the great constellation of Gemini. This zodiac member* (one of 13 constellations that appears in the background of the Sun during one year of Earth's orbit) is made out of 80 stars. Perhaps the most interesting stars in Gemini are two "twins", Castor and Pollux (twin brothers from Greek mythology), who are among the brightest star systems of the heavens, the first being a system made out of 6 stars gravitationally bonded while the other is an old and evolved giant star. These two stars are the pillars of the whole constellation and certainly the most important stars in Gemini, but from the point of view related to this post's title, maybe the more interesting star in the constellation is its 37th member. A star without a name with astronomical designation HD50692 and simply called 37 Geminorum or "37 Gem". It came to focus during the year of 2003 when astronomers Jill Tarter and Margaret Turnbull, under Project Phoenix (a part of SETI), published the article Target Selection for SETI. I. A Catalog of Nearby Habitable Stellar Systems. The goal was to, by thorough examination of various star features (like star age, composition, similarity to the Sun, capability to harbor a stable habitable zone where liquid water can exist, etc.), narrow down 118,218 stars from the Hipparcos Catalogue database to the relatively small number of potential SETI targets. The result of the research is the Catalog of Nearby Habitable Systems (HabCat), with a selection of 17,129 candidates with potentially habitable exoplanets capable of complex life similar to Earth.

After this initial research was done in 2003, according to one of the paper writers, astrobiologist Maggie Turnbull, "37 Gem" was most likely the best candidate to harbor an Earth twin planet within its Goldilocks zone. The star is stable and non-variant, middle-aged, and just a bit hotter and brighter than our Sun. It is located 56.3 light-years from our solar system, and it is one billion years older than our sun. Now, if this system is rich with elements originated from old supernova explosions in the distant past, like in our planetary front yard, and if major cosmic collisions and natural doomsday scenarios didn't interfere much with the evolution of lifeforms, then this star and its potential planetary system is more than promising. However, so far no planets are detected in this system, and no radio messages are caught from this direction, but if some Earth-like planet is there and, in one potential scenario, if some sort of intelligent life emerged and evolved, the fact is that they had one billion years ahead of us. In simple words, if alien humanoids, or whatever they look like, exist, they could be far more advanced than we are, and they may not communicate with radio waves anymore. Furthermore, if interstellar travels are possible with some sort of 'warp speed' spaceship technology, it is likely that they already developed it by now. Not to mention that this kind of advanced civilization would be fully aware of all star systems in their neighborhood of, say, 100 light-years in all directions. In other words, if they exist, they already know about us.


Astronomy, of course, is the science dealing with extremely large numbers, and thanks to many new techniques in interstellar observation, we now know a great deal about the star "37 Gem". Even though the two stars are similar in many aspects, it is actually not the exact Sun twin. Like in the case of the identical twins of the mythological story of Castor and Pollux, the two stars are different. Slightly, but they are. Way back in the year of 2004, I read one interesting hypothetical question within a popular Serbian Astronomy Magazine. Miroslav Filipović, one of the astronomers who worked at the time at the Australian Parkes Observatory, asked a very interesting question. He wondered what would happen if we took the almighty hand and in one millisecond replaced our sun with "37 Gem"? It was actually an interactive quiz question (here is the Serbian link), and I couldn't resist posting my thoughts on the subject. Basically I said that this scenario would be catastrophic for our solar system. All orbits would start changing immediately, and our Goldilocks zone would suffer the most as the asteroid belt would go into a chaotic stage, and in the process of adjusting to the new boss, until all orbits stabilize, Earth would probably lose all habitable properties due to asteroid bombardments similar to the early stage of the solar system, and life as we know it would most definitely cease to exist. The biggest unknown to me was what would happen to Jupiter? This giant planet and its orbit act as a gravitational balance between the main star and all other planets, and with its enormous gravity, it attracts all killer objects toward itself and keeps the asteroid belt in line. The moral of the story is that even the slightest difference between two stars can be the major difference in their system geometry and behavior. Not to mention that if we use our solar system analogy, in order for life to survive billions of years of evolution, there must exist one giant planet in the right position in order to protect the planets in the habitable zone from serious attacks from large asteroids and comets. If we put this story into consideration, it seems now that finding Sun's twin doesn't guarantee the existence of a habitable Earth-like planet capable of the evolution of intelligent life.

With the latest update of this post, I tried to simulate this hypothetical scenario in Universe Sandbox. 37 Gem, actually, is not part of the app's default library, so, to test it out, I just enhanced the Sun's mass to match 37 Gem's, which is estimated to be 1.1 solar masses. In the simulation result, within hours and days, the Earth's orbit changed and the Goldilocks zone expanded, causing the average temperature to jump from a cozy fifteen degrees to more than fifty. I am not sure that there is a physics process in existence to create something like this, but this fragileness gave me another stomach twitching nevertheless.


But to get back to the title, and in light of so many reported UFO sightings all over the world and with lots of stories involving alien autopsies, abducted humans, and (ancient) alien astronauts, we believers can ask ourselves, is there an ultimate connection between aliens & UFOs?

Well, the ultimate fact is that we still have no single proof that aliens exist at all, and sometimes, the lack of proof means that it doesn't exist at all, and in this case, this might be true for our small interstellar neighborhood. So, for now, the answer to the famous question "Are there aliens in UFOs?" will stay "No". UFO will still be what the acronym means in the first place: "Unidentified Flying Object". To be honest, on several occasions I saw UFOs in the sky. One of them was pretty memorable—a decade or so ago there was one bright light flying very fast above the beach resort in Greece, and its magnitude was probably about -5 or even brighter, which was probably the brightness of three or four full Venus magnitudes, and believe me or not, what first popped to my mind wasn't aliens driving some fancy saucer, and instead the first thing I thought was that this might be related to the jet military planes from the nearby air force base located a couple of hundred kilometers near Thessaloniki, the second largest city in the country. It's not that I am one of those conspiracy theorists out there; it was the simple fact that we were regularly seeing these jets during daylight, with some of them repeatedly breaking the sound barrier above the Aegean Sea. However, what I didn't hear that night was the sound of a jet. It was flying completely quietly. That fact is still buzzing in my mind. But not enough to immediately imagine little grays in shiny alien aircraft in search of abductees.

UFOs Explained***

In favor of the fact that there is no proof of aliens visiting our planet or any significant proof of their communications detected in past decades speaks the 50+ years of radio silence since SETI (Search for Extraterrestrial Intelligence) has been using scientific research to detect at least one confirmed artificial electromagnetic signal from above. That is if we exclude the WOW!** signal from August of 1977. Jerry R. Ehman, an American astronomer, detected the strong narrow-band radio signal that appeared to originate from Chi Sagittarii, a shared three-star system in the constellation Sagittarius. However, even though the signal never repeated again, it remained the best candidate for the proof of one alien world 220 light-years away from Earth. The signal was 30 times louder than normal deep space noise, and the fact that its frequency was 1420 MHz, the same frequency the most common element, hydrogen, resonates at, no doubt points toward the valid conclusion that it indeed was artificial in origin. Too bad it has stayed unconfirmed ever since. But if it was really a message from the alien race living in one of the star systems of the Sagittarius constellation, I could say that I fully understand why it was not repeated (or detected) again. The simple reason is the same as why we here don't send messages to outer space on purpose. Or, to be precise, why broadcasts sent from Earth to chosen star systems are not continuous messages and are instead just some isolated, shy, and timid dispatches.

Ever since SETI started its research in only listening to the heavens, there has been a loud debate over whether or not it is wise to send pointed messages to the unknown aliens. There is a simple fear that some of them can be violent and eager to enslave us the moment they receive this kind of invitation. If you ask me, I stand by the point that sending these messages is too early. We are still a young civilization, and it is wise to wait for a couplemore decades until we, at least, evolve from residents of one planet into residents of one solar system. We simply need to understand more than just Earth before we start actively searching for the contact of the third kind. Of course this doesn't stop people behind Active SETI or METI (Messaging to Extra-Terrestrial Intelligence), who have been trying to send messages ever since the first message to ET was sent in the form of Pioneer plaques, placed on board the 1972 Pioneer 10 spacecraft, illustrating a hydrogen atom, a naked man and woman, and the solar system's main objects. A couple of years later, the first radio message was sent from the Arecibo radio telescope toward the 25,000-light-year-distant star cluster M13. The Arecibo message was created by Dr. Frank Drake with the help of Carl Sagan and contained simple physics along with mathematical and graphical data, and it served more educational purposes than as a real attempt to contact extraterrestrials.

'Aliens form Orion'****

On the other end, there are pointed messages to the desired star systems with more complex data included. Scientists and politicians are not really united when it comes to possibly messaging extraterrestrials, not to mention that there is no valid protocol for what we should do if some ET pays us a surprise visit, and so far there are no united efforts to perform active SETI on a global scale. Instead, some not very bright individual messages are sent from time to time, like the one sent last year toward the source of the WOW! signal with, believe it or not, 10,000 Twitter messages. I wonder what aliens would conclude after reading tweets, but I am sure nothing good. Equally problematic, to say the least, a message called "Teen Age Message" is sent from a radio telescope in Ukraine in 2001. The message's content and target stars were selected by a group of teens from four Russian cities. You probably guessed, teens, among other data, have chosen to send an audio file, and in this case a concert named "First Theremin Concert for Extraterrestrials". Among other stars, this message is sent toward "37 Gem" as well, and it will arrive in December 2057. Then we will know for sure if aliens there like music and art.

In conclusion let me say the obvious. Space is a cruel place, and distances between two star systems are tremendously huge. Technology to build a spaceshipfor interstellar travel is definitely extraordinary and not just within the realm of solving the cruising speed to be faster than light. I am more than positive that first contact with alien technology will be with some robotic probe instead of live contact with cute and friendly aliens in a flash. If traveling through the space was easy and solvable, we would probably have significant proof by now that aliens exist, and we wouldn't be buzzing our minds with the Fermi paradox and the obvious question of why the nightly sky is not filled with alien spacecraft, deep space stations, and beautiful green girls from Orion.


Original post date: November 2013; Updates: December 2016, December 2015

Image ref:
https://philipstanfield.com/tag/mysticism-2/

*What is the Zodiac?
http://earthsky.org/space/what-is-the-zodiac
http://spaceplace.nasa.gov/starfinder2/en/

**Wow! signal
http://en.wikipedia.org/wiki/Wow!_signal

***UFOs Explained –– and Unsolved
http://www.popularmechanics.com/space/a3995/4304207/
http://ufodigest.com/news/0809/ufos-solved.php

****The Green Sisters
http://www.startrekmemorabilia.com/non-human-hotties/slave-sisters-from-bound

More resources:
http://static.astronomija.co.rs/razno/zabava/igre/pobednik2.htm
http://static.astronomija.co.rs/dubokisvemir/galaksija/explanete/37gem/odgovor.htm
http://www.astrobio.net/exclusive/627/habitability-betting-on-37-gem
http://www.spacedaily.com/2003/031008190106.4hcm1yfo.html
http://en.wikipedia.org/wiki/Solar_twin
http://en.wikipedia.org/wiki/Message_to_Extra-Terrestrial_Intelligence
http://www.nasa.gov/vision/universe/newworlds/HabStars.html