Our universe - it's three-dimensional, but we can pretend it's two-dimensional so it's like this sheet of paper - and we live in Pasadena over here and London is over there, and it's thousands of miles from Pasadena to London.

It was quite a surprise when I realized that with a single wormhole you could have time hook up towards the future or towards the past and that you can actually manipulate the wormhole and change how time hooked up.

If you have a wormhole, then you can turn them into time machines for going backward in time.

Kip Thorne Quotes