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 Watch 15,000 Volts Of Electricity Etch Lightning On Plywood One Strong Magnet Called the Death Magnet What It Looks Like to Fire a Gun Underwater Waves on a Chain Which Seems to Walk on It’s Own Massive Fireworks Experiment Will A Leaky Airplane Toilet Lead To A Deadly Ice Chunk?