TED-Ed: Could we harness the power of a black hole? | Fabio Pacucci

The video explores the concept of a galactic civilization and the immense energy required to sustain it. It discusses the Kardashev scale, which measures a civilization's energy consumption, and highlights the potential of supermassive black holes as energy sources due to their accretion disks. The Dyson Sphere and Dyson Ring are introduced as theoretical structures to harness this energy. The video also addresses the challenges of constructing such structures and speculates on the existence of advanced civilizations that may have already achieved this feat.

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