A concentration of one part per billion is like a pinch of salt in 10 tons of potato chips—and scientists can now find radioactive particles at concentrations millions of times smaller. In the Journal ...
In 1942 Enrico Fermi and a team of physicists at the University of Chicago built a nuclear reactor in a squash court under the South Side university’s football field. Their successful experiment was a ...
It was a nuclear whodunit: A cloud of radioactive material was hanging over Europe, but no one knew where it was coming from. The plume persisted for a few days in September and October 2017, detected ...