Anti-gravity: The Secret Space Race.

Best of Earth Science: http://bit.ly/EarthLabOriginals
Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos

Gravity, we've all heard of the word, but do you realise it might be able to be manipulated. So much so that the race to be able to control gravity started. This doesn't mean the pathway to the finish line is easy. Dr Josie Peters and the team explain more.

This is a channel from BBC Studios who help fund new BBC programmes. Service information and feedback: http://bbcworldwide.com/vod-feedback-...