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 This Is What Happens When Super Strong Magnets Clash Together How a Virus Can Make Water Boil Faster The Greatest Failed Experiment Ever How Does This Pan Cook Food On A Cold Surface? Watch How Uranium Emit Radiation Inside a Cloud Chamber How To Calm Waves On A Lake With A Spoonful Of Olive OIl