The Physics of Nutballs Somersaulting in an Indoor Skydiving Tube by Rhett Allain from on 2016-10-10 12:00 (#1XKFP) Indoor skydiving looks magical-but it's just physics. Here's how it works. The post The Physics of Nutballs Somersaulting in an Indoor Skydiving Tube appeared first on WIRED.