On: When Are the Intelligent Aliens?

[sampo]

So, first you build a Dyson sphere, then you build a system to cool the outer surface of your Dyson sphere to near 3 Kelvin (except some narrow directions in space, where you radiate your excess heat).

Now the interesting question is, is the energy you capture from the star sufficient for running this cooling system of yours. I have no clue.

[sampo → sampo]

Let's see if someone in Physics StackExchange could answer this:

http://physics.stackexchange.com/questions/69649/thermodynam...