Would building a Dyson sphere be worth it? We ran the numbers. arstechnica.com Submitted by cad908 t3_123uyoe on March 27, 2023 at 6:01 PM in space 16 comments 21
McFoogles t1_jdxdg4p wrote on March 27, 2023 at 9:51 PM Attention K2 readers: Learn the one secret K1 Civilizations don’t want you to know! Permalink 7
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