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 Neil deGrasse Tyson on AI killer robots The Future Is Here and It Is Made of Glass? Is This New Super Carbon Better Than Graphene? 10 Theories About The Afterlife Will We Ever Be Able to Travel Through a Wormhole? Proof of evolution that you can find on your body