petercoffin:

ultrafacts:

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that’s super sad

Naturally, the big problem with testing whether time travel will exist in the future by this method is the risk of altering future events in big ways just by confirming that time travel is presently set to exist some time in the future. Proving it’ll happen could change what people spend their money on, what actions they take (“I can go back in time and fix it”), and it could even lead to time travel never becoming possible at all. Even a minor change can have a ripple effect.

It’s neat that Stephen Hawking tried this (ASSUMING IT’S EVEN TRUE; remember, the internet makes up stuff like this all the time), but realistically the chances of such a dangerous technology winding up in the hands of someone that would actually accept the invitation were slim to nil.

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