[Prof Stokes] from Brigham Young University has used this powerful ambient air pressure as the power source of his ping pong ball cannon. Instead of filling a reservoir tank with compressed air ...

The Malaysian maritime force detained a China-registered cargo vessel that was illegally anchored in the maritime zone in southern Johor state and loaded with suspected WWII cannon shells ...

[hw97karbine] has made a pretty cool tennis ball cannon. While making a cannon of this sort is nothing new to us, we were impressed by the effort taken to get a stoichiometrically ideal mixture of ...