Cannons

Rockets are expensive, so a number of kinetic launch startups are working on ways to simply yeet payloads into orbit and bring costs down. This one's very fun – a six-mile-long concrete cannon that'll squeeze launch vehicles to Mach 30 in one second.

High-power microwave bombs that use an electromagnetic radio pulse to disable electronics and communications while leaving people and structures unharmed have been under investigation in research labs for a number of years...

February 18, 2009 Think of the electromagnetic railgun as an electric cannon which uses electrical energy instead of chemical propellant to launch projectiles a