Why Haven’t We Found Dyson Spheres Yet?

From Dysonian SETI to waste heat and galactic timelines, we explore why we haven’t found Dyson Spheres—and what their absence reveals about civilization.

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Credits:

Why Haven’t We Found Dyson Spheres Yet?

Written, Produced & Narrated by: Isaac Arthur

Music Courtesy of Stellardrone & Chris Zabriskie

Select imagery/video supplied by Getty Images, Jeremy Jozwik, Ken York, Sergio Botero