[hpb42]

> Also, has anyone though of how mind-numbingly wasteful solar fusion is? All that energy, and only a tiny fraction makes it to Earth with the rest getting dumped wastefully into space. Seems like an area that's ripe for disruption by a startup.

That energy can be captured by a Dyson sphere:

> A Dyson sphere is a hypothetical megastructure that encompasses a star and captures a large percentage of its solar power output

- https://en.wikipedia.org/wiki/Dyson_sphere