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 Another Look at Magnetic Levitation 10 Amazing Science Tricks Using Liquid! 2nd Look at the Twist Liquid Experiment Weird – Cockroach Leg Stimulated With Music How to Defuse a Shaken Soda Can Laser Balloon Popping