alt Hacker News>you can also spread those sub-units on desert land with no water or electricity and cool them radiatively.
no, you can't.
>attacking up is easier than attacking down.
no.
>you can also spread those sub-units on desert land with no water or electricity and cool them radiatively.
no, you can't.
>attacking up is easier than attacking down.
no.
Asserting the contrary is not an argument.
Nothing prevents SpaceX or anyone else from buying up the right to put these things on cheap desert land. They don't even need to own the land, just the right to wheel these things out on a trailer or a helicopter and leave them there.
A desert is significantly less harsh than space. If your radiator is sized for space, it's overkill in an atmosphere.
And for your edit: https://www.youtube.com/watch?v=xNmbvaUzC8Q