September 10, 2014
Mohenjo
Science
amazon, business, Business News, Closed Timelike Curve, Grandfather Paradox, Hotels, human-rights, medicine, mental-health, Paradox, Physics, Quantum, quantum cryptography, Quantum Physics, research, Science, Science News, Scientific, Stephen Hawking, technology, Technology News, Time Travel, Time Travel Paradox, time travel's feasibility, travel, University Of Cambridge, vacation
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On June 28, 2009, the world-famous physicist Stephen Hawking threw a party at the University of Cambridge, complete with balloons, hors d’oeuvres and iced champagne. Everyone was invited but no one showed up. Hawking had expected as much, because he only sent out invitations after his party had concluded. It was, he said, “a welcome reception for future time travelers,” a tongue-in-cheek experiment to reinforce his 1992 conjecture that travel into the past is effectively impossible.
But Hawking may be on the wrong side of history. Recent experiments offer tentative support for time travel’s feasibility—at least from a mathematical perspective. The study cuts to the core of our understanding of the universe, and the resolution of the possibility of time travel, far from being a topic worthy only of science fiction, would have profound implications for fundamental physics as well as for practical applications such as quantum cryptography and computing.
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March 9, 2014
Mohenjo
Science
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Stephen Hawking may be best known as a physicist, cosmologist and one of the world’s smartest people, but these videos are proof he should add ‘comedian’ to his already robust résumé.
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Stephen Hawking
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September 25, 2013
Mohenjo
Science
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We may be able to book our ticket to the future someday — it’ll just be a one-way trip.
In a presentation at the British Science Festival, particle physicist Brian Cox said that time travel is possible but only in one direction.
“The central question is, can you build a time machine? The answer is yes, you can go into the future,” the University of Manchester professor told the audience during his hour-long speech on Tuesday, according to The Telegraph. “You’ve got almost total freedom of movement in the future.”
Cox detailed how time travel to the future is possible under Albert Einstein’s general theory of relativity. Traveling hundreds, or even thousands of years into the future, could be accomplished if someone was traveling at an incredibly fast pace, close to the speed of light.
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Particle physicist Brian Cox speaking in Hay-on-Wye, Wales on May 28, 2011. (Photo by David Levenson/Getty Images)
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