alt Hacker Newsat some point we will figure out that because we took some much energy out of earths core that it stops spinning and causes the magnetic field to collapse ;-)
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Retric • today at 3:35 PM
Not really how that works. Also earths core is being heated from nuclear decay and tidal effects. It’s getting 10’s or TW worth of heat until the sun expands and eats the earth. https://en.wikipedia.org/wiki/Earth's_internal_heat_budget
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They've already made a move about that. https://www.imdb.com/title/tt0298814/