Every story and comment from the Hacker News API, in a layout borrowed from 2001.
A comment on Nuclear fusion: it's time for a reality check. Parent comment
Sure, if the fraction is 1/10000. Very high exhaust velocity is not optimal since it increases the power needed per unit of thrust.
There are no comments on this comment yet.
Sure, if the fraction is 1/10000. Very high exhaust velocity is not optimal since it increases the power needed per unit of thrust.