Matrioshka brains

Big think paper linked two steps from slashdot about the theoretical limits of a civilizations evolution. Pretty amusing list of astrological problems that would be solved by the existence of “computing dyson spheres”, too.

The open questions list is one of those “astrophysicist - or street person?” quizes:

How long does it take for a reasonable fraction of solar output (RFSO) to break all chemical bonds in the solar system?

Boy, this went over like a lead balloon.

Well, when I clicked the link yesterday the page wasn’t coming up for me. I’ve just started reading through it tonight.