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A Dyson sphere around a black hole

(arxiv.org)
214 points SkyMarshal | 2 comments | 19 Aug 21 03:40 UTC | HN request time: 2.061s | source
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sydthrowaway ◴[19 Aug 21 05:47 UTC] No.28230748[source]▶
Why do we think Dyson spheres exist. It's completely conjecture.
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1. swman ◴[19 Aug 21 06:14 UTC] No.28230906[source]▶
I feel like if anything they've figured out a way to capture and use massive amounts of energy in something super small.
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2. jliptzin ◴[19 Aug 21 07:04 UTC] No.28231162[source]▶
Such as the atom?