Should We Build a Dyson Sphere? | Space Time | PBS Digital Studios

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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?

Previous Episode
https://www.youtube.com/watch?v=2Uzytrooz44

PBS Space Time's Interstellar Travel Episode
https://www.youtube.com/watch?v=EzZGPCyrpSU

SciShow Kugelblitz episode
https://www.youtube.com/watch?v=gNL1RN4eRR8

Written and hosted by Matt O’Dowd

Made by Kornhaber Brown (www.kornhaberbrown.com)

Comments answered by Matt
David Stagg
https://www.youtube.com/watch?v=8ORLN_KwAgs&lc=z13netla4knhtbje5223uph5ptf3thhq104