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Video: Australian physicists try to crack time travel

University of Queensland scientists simulate sending quantum light particles into the past. They show how two wormhole-travelling photons might behave. Could time travel soon become a reality? A simulation of two wormhole-travelling photons found they could interact. This suggests, at the smallest scales, jumping through time is possibleThe experiment could solve some famous theories that 'prevent' time travel. But whether this will be possible on a larger scale remains to be seenIf a time traveller went back in time and stopped their own grandparents from meeting, would they prevent their own birth? That's the crux of an infamous theory known as the 'grandfather paradox', which is often said to mean time travel is impossible - but some researchers think otherwise. A group of scientists have, for the first time, simulated how two time-travelling photons would interact, suggesting that, at a quantum level at least, jumping through time might be possible. Credit: Youtube/Science and Technology


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