There’s lots of helium in the solar system. You could harvest the atmosphere of Jupiter or Saturn for it. Obviously this has an energy cost, but s stated in the article energy is the only real resource that we use up. Everything else is renewable.
There’s lots of helium in the solar system. You could harvest the atmosphere of Jupiter or Saturn for it. Obviously this has an energy cost, but s stated in the article energy is the only real resource that we use up. Everything else is renewable.