Bofgrey t1_j5nuek4 wrote
Reply to comment by justahomeboy in Earth's inner core seems to be slowing its spin according to new research published in Nature Geoscience. The study authors suggest this might be part of an approximately 70-year cycle where the core speeds up and slows down relative to the rest of the planet. by shiruken
It is simple to understand if you grab an uncooked egg, spin it around on a table, bring it to a sudden stop by putting your hand on top, and then quickly lift your hand again. The rotating insides of the egg will bring it in motion again. (This is also a trick to check if an egg is cooked or not)
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