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The ability to jump forward and backwards in time has long fascinated science fiction writers and physicists alike. So is it really possible to travel into the past and the future?
26 paź 2023 · Send a spaceship into the depths of space at speed, and its passengers will experience time and distance differently to the observers watching their journey from afar. This contrast comes courtesy of relativity, a theory that's been tested successfully time and time again on all manner of scales.
It's a monumental head-scratcher known as the 'grandfather paradox', but a few years ago physics student Germain Tobar, from the University of Queensland in Australia, worked out how to "square the numbers" to make time travel viable without the paradoxes.
26 kwi 2023 · Time traveling to the near future is easy: you’re doing it right now at a rate of one second per second, and physicists say that rate can change.
13 lis 2023 · Someone speeding along on a spaceship moving close to the speed of light – 671 million miles per hour! – will experience time slower than a person on Earth.
6 cze 2019 · We hear about the very dangerous ways we could possibly exploit this to skip forwards through time and into Earth’s future, and we do the maths on wormholes, to see if they offer a possible...
13 lis 2023 · Adi Foord explains how wormholes, relativity, telescopes, and more play into the potential for time travel in this Curious Kids piece.
