There’s good news and there’s bad news. The good news is, yes, time travel IS possible. Click through for the bad news..
It’s only possible in one direction.
So those of you who were hoping to travel back in time and party with grand-parents like you just don’t care, will have a bit of a problem. But don’t stress – you can party in the future! Party with your great-grandchildren! Everyone will have iPhone 12s! It will be radicool!
Listen to this, from the Telegraph:
Most Doctor Who fans are happy to accept that the time lord can drop in on the middle ages without probing the matter too much further. But most Doctor Who fans aren’t Brian Cox.
Prof Cox, who once had a cameo appearance in Doctor Who, will give a scientific talk to mark the 50th anniversary of the BBC One drama in London this week. The hour-long talk, to be filmed at the Royal Institution, is part of a series of special programmes to be screened ahead of a 75-minute episode entitled “Day of the Doctor” on November 23.
Prof Cox explains: “The central question is, can you build a time machine? The answer is yes, you can go into the future. You’ve got almost total freedom of movement in the future.
“If you go fast your clock runs slow relative to people who are still. As you approach the speed of light your clock runs so slow that you could come back 10,000 years in the future.”
Going back in time, or returning to the present, would be slightly trickier, however. Although the theory of General Relativity permits such a movement, it would require the Doctor to find a “wormhole” or shortcut in the fabric of space and time.
That’s not something I am going to rely on – I’m finding wormholes so scarce these days.
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