[1024core]

Thanks for pointing that out. I'm always amazed to see how many people don't understand the ramification of pushing gigawatts through air. People who are worried about birds getting killed by wind turbines? You have no idea what this much energy will do...

[sbierwagen]

Tom Murphy wrote a good post on space-based solar a while ago: http://physics.ucsd.edu/do-the-math/2012/03/space-based-sola...

Either the power density is high enough that it roasts anything crossing the beam path, or it's low enough that it's not appreciably higher than regular old sunlight flux.

[walrus01]

just wait until the space end's aim becomes misaligned...