Comments on: Two possible ways to use black holes as energy source in the distant future https://lifeboat.com/blog/2023/12/two-possible-ways-to-use-black-holes-as-energy-source-in-the-distant-future Safeguarding Humanity Mon, 18 Dec 2023 23:44:00 +0000 hourly 1 https://wordpress.org/?v=6.6.2