alt Hacker News> 20-50 years of engineering can get us there.
What energy source do you think is merely 20-50 years of engineering effort away from being able to power that kind of journey?
> 20-50 years of engineering can get us there.
What energy source do you think is merely 20-50 years of engineering effort away from being able to power that kind of journey?
Some kind of nuclear reaction or matter-antimatter collision, I assume.