Rocket company develops massive catapult to launch satellites into space without using jet fuel: '10,000 times the force of Earth's gravity'

A California company has tech that will likely draw attention from the Punkin Chunkin community. That's because SpinLaunch is developing a large rotating arm that uses kinetic energy to fling 440-pound satellites into low orbit, with successful tests already in the books. Importantly, the process doesn't need rocket fuel to work. It's all powered by electricity. More

(Source: Yahoo - Jun 17)