Category: Videos

Gravity Part 3: How Can We Be Sure?

Are you sure everything pulls on everything else? Prove Your World tries another variation of the Cavendish experiment just to be certain. Plus Popper has his eye on Katy Perry.

Gravity Part 2: Everything Pulls on Everthing

Because of gravity, everything pulls on everything else. But on earth, we just see things fall down. Prove Your World pulls out an old experiment to show gravity moves in all directions.

Gravity Part 1: Things Fall Down

Why is juggling so hard? Hand-eye coordination, sure, but gravity is part of the problem, too. Prove Your World tries its hand at juggling and learns there’s more to gravity than falling down.