Activity for worldsmith‭

Type	On...	Excerpt	Status	Date
Question	—	Extracting hydrogen from a star How could you feasibly extract hydrogen from a star to power a plasma fusion reactor, with as little handwavium as possible? This takes place in a sci-fi setting, but isn't necessarily hard science. The more realistic it is, the better, but don't feel afraid to stretch physics a bit. The hydrogen wou... (more)	—	about 7 years ago
Question	—	What would a semi-realistic thruster for a spaceship be, using fuel from stars or debris around a black hole? I'm designing a world in which starships have renewable energy, refueled by parking around black holes or stars and recharging batteries with solar panels, but what fuel for an engine could be extracted from these astral bodies, and what type of engine could be designed to accept that fuel? (more)	—	about 7 years ago