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 Frozen Methane Bubbles Clever Tricks with Magnets Stacked Ball Drop Experiment Macgyvering a Cement Truck Levitate a Screwdriver with Compressed Air! Measuring People’s Reaction Time With a Ruler and High Speed Camera
