To learn how I made the vacuum pump used to operate this cannon, take a look at this video: • How to Make a Vacuum Pump A vacuum cannon is an interesting physics demonstration that shows how much ...

Learn to build a functional diy miniature cannon right in your workshop! Follow our detailed guide and use common tools to ...

The Army is maturing technology for a cannon capable of firing hypervelocity projectiles for the air defense mission, according to the director of the service’s Rapid Capabilities and Critical ...