How We Proved Earth Rotates Using a Giant Swinging Ball People have suspected that Earth rotates for thousands of years, but how did we first prove it? Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Edible Water “Bottle” Does Someone Else Have Your Face? Why Can’t we Remake the Rocketdyne F1 Engine? What Would Happen If You Placed Your Hand In The Large Hadron Collider? High-Pressure Water Gun Bores Through Barriers What If All the Money in the World Is Gathered into One Place?