The first nuclear reactor was in Africa.... a long, long time ago
March 20, 2011 10:43 PM Subscribe
The first nuclear reactor was in Africa, 2 billion years ago. Two billion years ago, there was enough uranium 235 in a naturally occurring deposit in Africa to fuel a nuclear fission reaction. In 16 separate locations, spontaneously occurring fission reactions went on for some hundreds of thousands of years, cycling multiple times per day. A picture of Fossil Reactor 15. The American Nuclear Society info site.
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