Should We Build a Dyson Sphere?

August 24, 2016
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PBS Space Time - S2016 - E33

Should We Build a Dyson Sphere?

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?

PBS Space Time: Season 2016 - 48 Episode s