From Verne’s Cannon to…SpinLaunch?
Getting to space is hard. To achieve orbit, you have to reach escape velocity, which is about 11,186 m/s on our planet. Even to get to suborbital heights, such as Blue Origin or Virgin Galactic…it’s hard.
It takes a lot of fuel and part of the issue is you need fuel to move the fuel. Hence the long term interest in a potential alternative: Kinetic launch systems.