When megastructures die (science documentary).

Most stellar-scale megastructure ideas are based on the idea of harnessing the energy of a sun-like star while also providing gravity and other features that would appeal to a sophisticated civilization.

Future megastructures may vary in scale from cities to whole galaxies, and they must be constructed to endure harm and time.

But how is this done, and what the heck happens when a megastructure dies?

Isaac Arthur tries to answer this question in his latest 30-minute long piece.

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