Let's see if someone in Physics StackExchange could answer this: http://physics.stackexchange.com/questions/69649/thermodynamically-possible-to-hide-a-dyson-sp

Let's see if someone in Physics StackExchange could answer this: http://physics.stackexchange.com/questions/69649/thermodynamically-possible-to-hide-a-dyson-sphere http://physics.stackexchange.com/questions/69649/thermodynam...