World’s Longest Home Run (The “Mad Batter” Machine) Smarter Every Day made this mad batter machine and sending balls 250 mph. Facebook Prev Article Next Article Experiments Checkout these cool gadgets... Related Posts Ever Seen A Slinky Drop In Slow Motion? 5 Crazy Science Stunts, You Won’t See At School Mercury Bottle Flip Amazing Bead Chain Experiment How to Make Rainbow Fire Experimental Psychology – Big Changes That We Don’t See
