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Do you have that strange feeling when you are about to visit new city abroad and little afraid of what you would stumble to when it come to simple things? Like how to use metro line or how to buy a bus ticket or how to identify your next destination? Or how to book your flight back to your home? Or how to handle a simple dilemma of should you exchange the money to the local currency or is it wise to put your card in every ATM or any other 'slot' machine on your way? Hello™ at Microsoft Campus Days, 2014 Ericsson, a Swedish multinational provider of communications technology and services, has the answer for you. And me too. Last week, I took my entire family to the trip to Copenhagen for both, business and pleasure hours in the Danish capital. During my previous visits I didn't have much time for tourism and any off work activity for that matter. So I took a little research this time and Ericsson's " Networked Society City Index " helped a lot. Within t

Most of 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 "Holographic principle", lack one main attraction I am always looking 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 too 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 chance to watch or read. For one simple reason. Like with holographic p

I don't really remember what was the name of the novel I read for the first time in my life. Probably one of those great books for children, like Mark Twain's "The Adventures of Tom Sawyer" or several of those with treasure hunt in story line with pirates and children in main character roles. It seems that it happened ages ago and whichever the book was, ever since then, especially in first decade or two after I learned to read, I swallowed a big amount of novels in realms of science fiction and different variety of adventurous stories. If I add tons of magazines, short stories and comic books to my reading habits back then, I think I can't be too much wrong if I say that my personality is shaped, more than I am ready to admit, with that big pile of paper I held in my hands decades ago. My early reading gave me one more thing besides pure knowledge and as weirdly as it sounds it is the smell of paper. Especially, the odor of printed paper just got out of printin

Not so long ago I mentioned great city of Alexandria in post Constantine & Naissus when I described the horrible misfortune and death of Hypatia, one of the greatest philosopher and astronomer of 4th century AD, who lived at the very end of classical Greek era of prosperity. Within the same city walls, couple of centuries before, one of the equally greatest and famous scientists of all times, Claudius Ptolemy was living, exploring, teaching and dedicating his life in various disciplines including astronomy and, of course, 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 the one of 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 Gem

I remember every little detail from that weekend trip. From the very first moment when we stepped into the bus that took us to the mountain base, throughout the rest of the first day when we climbed down into small cave with narrow hallways toward the small chamber at it's end. I vividly remember glorious, endless and hard-to-find second cave we stepped in the very next day, followed by overwhelming feeling and little fear when we passed through cave chambers, cutting the darkness with handy tools and small flashlights. I will always hate myself, for not having a camera to capture surrounding scenery when we traveled by train later that afternoon, who looked like it came right out of 19th century with wooden benches rolling the railways slower than Usain Bolt. All those rock formations and abandoned train stations were slowly losing their battles with nature and were looking exactly like a background from Sergio Leone's spaghetti western movies. Viktor at Rundetårn observ

This is maybe the biggest optical illusion everybody has seen it. The Moon is huge on the horizon and couple of hours later it shrinks to it's 'normal' size. Of many hypotheses proposed, the one defined as 'apparent distance hypothesis' is the most accurate explanation - it's simply because we humans perceive the sky as a flat or gently curved than it is in reality. But you cannot fool the camera, cause of the simple fact that it does not have the brain and therefore if you fix  it on the tripod and take the image near the horizon and the one couple of hours later the Moon should be the same size. I always wanted to test this myself and finally my new Coolpix came with a feature of self taking images and I did it last night. Moonrise, HDR image created by Picturenaut So, in a nutshell, after couple of hours of shooting I took about 500 images (triggered every half a minute) and this is the result, maybe not so clear and perfect images, still this is n