Einstein Flip

Physicists at London’s Science Museum are having a lot of fun ! On 5th January 2005, Ben Wallace, a professional BMX rider, made something like 360 - tabletop - backflip helped and designed by a physicist. In this article http://www.einsteinyear.org/about/media/BMX you can read the entire story. They say that it's the first time that this Trick was executed on a bike ! I'm not completly sure, in fact...