The slinky, one of the cosmos’ perennial enigmas, has one amazing property you’ve probably never noticed. But that’s OK. Our mortal eyes aren’t quick enough to notice — but this slow-mo camera is. It looks like magic! But it’s awesome physics.
The environmental movement has gone too far. One of the main draws of the traditional Slinky was its metallic, yet smelly, rings, expanding and contracting like a steel accordion that only played one note. And now, cardboard.
