Mars is the only place in the solar system where it's possible for life to become multi-planetarian.
Elon MuskPhysics is really figuring out how to discover new things that are counterintuitive, like quantum mechanics. It's really counterintuitive.
Elon MuskIt is definitely true that the fundamental enabling technology for electric cars is lithium-ion as a cell chemistry technology. In the absence of that, I don't think it's possible to make an electric car that is competitive with a gasoline car.
Elon Musk