According to Gaurav Khanna, a professor of physics at the University of Massachusetts Dartmouth, we are always moving into the future one second at a time.
But the real sort of time travel, which gets moviegoers excited, is the ability to go drastically forward and backwards in time with ease.
In an article for The Conversation, Dr Khanna said fast forwarding through time is possible if we can move close to the speed of light.
He said: “Can we travel much further into the future? Absolutely.
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