Only one (or possibly two) of the missing bombs was fully assembled at the time it was lost. The total number of confirmed ...

By the end of the year the physicist Werner Heisenberg had calculated that nuclear fission chain reactions might be possible. When slowed down and controlled in a "uranium machine" (nuclear ...

This elevated concentration was crucial as it allowed for a sustained nuclear chain reaction, something that is meticulously replicated in the fuel enrichment process of contemporary nuclear reactors.

The start-up, backed by Sam Altman, has agreed to a number of partnerships. The stock has more than doubled so far this year.

The Nuclear Safety And Security Commission noted on the 24th that it would allow the restart of the Saewool Unit 1 nuclear ...

Critical mass is a physics term describing the point at which there is sufficient density to attain a sustained nuclear chain reaction. It gets adapted to describing any situation where sufficient ...

The United States maintains an arsenal of thousands of nuclear weapons, but it hasn't tested one in decades. Instead, the U.S. is using simulations and experiments to see if the nukes still work.