Google+

BBC Future

Head Squeeze

Is time travel possible?

The simple answer is yes. The more complex answer is it requires travelling close to the speed of light. And always going forward. Unless you find a wormhole.

Cosmologist Andrew Pontzen and particle physicist Tom Whyntie show how you can time travel at home.

For more videos subscribe to the Head Squeeze channel on YouTube.

If you would like to comment on this video or anything else you have seen on Future, head over to our Facebook page or message us on Twitter

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.