Was H. G. Wells a man ahead of his time?
Two scientists writing in New Scientist magazine might say so. Time travel isn't just for science fiction anymore. Pretty soon, it might be fact. Or, at least, it might not be impossible.
You see, the classic conundrum barring the existence of time travel is well-known to fans of Wells and countless other sci-fi authors. Blame your grandparents, because if you went back in time and prevented them from having your mom and/or dad, they'd have something to say about it. To be precise, doing so would prevent your own existence, which would prevent you from going back. Which makes time travel impossible.
Right?
Apparently not.
The upshot is that if you go back and did something untoward, like interrupting your granny right before she beds your grandad, you'd cause all the things that would happen to happen only if they were consistent with what happened afterward.
And no, I'm not sure how this works.
But apparently the smart guys referenced here do.
It's times like these you really wished you paid attention during advanced calculus. Although, if you're right, maybe you'll be able to....
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