Smarter Every Day's Destin flew to Germany to meet up Joerg Sprave, the man behind those highly entertaining slingshot videos, to take an educational look at the physics behind them. He also brought a high-speed camera with him—need I say more?

We've featured Joerg's Slingshot channel before, and his crazy creations and shaved head have already made him a bona fide internet celebrity. But it's nice to step back and take a more cerebral look at his mad scientist inventions and the science behind why simple elastics can be so devastating. And seeing Destin and Joerg together in the same video reminds me of those old cartoon crossovers, like when the Jetsons met the Flintstones, minus the awkward laugh track. [The Physics of Slingshots, with Joerg]