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 Dip Your Hand In Molten Lead Without Being Burned 100 lbs (45 kg) of Magnetic Putty Sports Science – Boxer vs Snake – Who Is Faster ? Liquid Nitrogen and 1500 Ping Pong Balls Science Can Make Anything Unbreakable A substance so sensitive it immediately explodes on the lightest touch