Tagged: nuclear reactor

Two billion years ago, parts of an African uranium deposit spontaneously underwent nuclear fission. Scientists estimate that this nuclear reactor –which consists of 16 sites—has been operational for at least 500,000 years in the distant past. Incredibly, compared with this massive nuclear reactor, our modern-day...

In 1972, a worker at a nuclear fuel processing plant noticed something suspicious in a routine analysis of uranium obtained from a mineral source from Africa. As is the case with all natural uranium, the material under study contained three isotopes- three forms with different...