I think there is a misunderstanding here about what that means in practice. Ther...

Udo on June 30, 2013 | parent | context | favorite | on: When Are the Intelligent Aliens?

I think there is a misunderstanding here about what that means in practice. Thermodynamics still applies. Energy has to be harnessed across gradients. Even if they wanted to only collect visible light, they'd have to radiate the heat somewhere.