Next time you’re in a Nerf gun battle, you better hope you’ve got this absurdly powerful ping pong ball gun. It shoots common celluloid spheres at over 400 meters per second, or Mach 1.2. This ...

Brian McCafferty] created a nice big RGB LED panel in a poster frame that aimed to be easy to move, program, and display. We’d like to draw particular attention to one of ...

A celluloid ball, light and fragile as a frozen ... shoes the incredible backhand shots that have made him four times ping-pong champion of the world. On the other side, whacking them back with ...