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 Why The Other Waiting Line Moves Faster Can This Wearable Tech Make You A Power Plant? Could MH 370 Have Been Taken Down By A Hacker? Crypto Harlem Is Teaching Encryption to the Over-Policed and Heavily Surveilled How Close Are We to Immortality? New Research Predicts Billions Of Livable Milky Way Planets