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2024-03-15, 06:54 PMthe_david started a thread How long would the Earth last if the sun became a black hole? in Mad Science and Grumpy TechnologyFrom our point of view, time dilation included, how long would we last if the Sun became a black hole? We'd all be dead from the supernova that...15 replies | 742 view(s)
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2024-03-04, 06:09 AMRivers that don't end in the ocean. They may just flow up the mountain, or maybe they loop onto themself. Animals and other creatures that...4 replies | 672 view(s)
About the_david
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About the_david
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