3 ms·
If it was this easy, there should already be robots building He-3 reactors on the moon. No, not from Earth. From other civilizations that built van Neumann dron
by bayesianhorse 13y ago
If it was this easy, there should already be robots building He-3 reactors on the moon. No, not from Earth. From other civilizations that built van Neumann drones millions or billions of years ago!