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 Mars500 – The Simulated Mars Mission On Earth Magnet Gate Magnetic Wave Accelerator Potato guns are cool. Transarent potato guns are awesome Traffic Jams Recreated And Studied Levitating Superconductor on a Möbius Strip Compilation of Mercury Experiments