Rodney Mullen Demonstrates A Skateboarding Trick That Should Be Physically Impossible

Rodney Mullen Demonstrates A Skateboarding Trick That Should Be Physically Impossible
Rodney Mullen is not only a master skateboarder, he's also a historian of the sport and — as it turns out — a pretty good physicist.

June 4, 2018 at 09:37AM
via Digg https://ift.tt/2LWNWgm http://amzn.to/16CXGWK