Slinky’s, one of the cosmos’ perennial enigmas, has one amazing propert you’ve probably never noticed. But that’s okay. Our mortal eyes aren’t quick enough to notice—but this slow-mo camera is. It ...

Stairs? Where this Slinky is going, we won't need stairs. The science junkies at Veritasium decided to drop a Slinky and capture its descent on high-speed video, and the result is impossibly cool.