Forget a Dyson Sphere. Let's Build a Dyson Swarm!
(via PBS Space Time) The Kepler telescope recently noticed a strange partial eclipse that some have speculated could be a Dyson Sphere. Are Dyson Sphere's possible? Are they practical? What other alternatives to futuristic energy capture do we have to choose from? Why not a kugelblitz - a swarm of black hole powered engines?
