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A perpetual motion machine does not extract more energy than put in. It preserves all energy put in at the beginning, indefinitely.
No. Extracting the energy from solar is very inefficient as of now.
You're conflating two things. The energy used to create a machine that extracts energy from...
The thing about the liftoff is that, they did a staggered engine start up, so it wasn't until a few seconds in that they had enough thrust to start moving.
We have a bunch of nerds cool :cool: people on this forum. Figured I'd make a thread about the Starship:
Launch window is 4/20 7:15 CT currently.
https://www.spacex.com/vehicles/starship/