Beginning in the late 1950s, the U.S. met this challenge by developing nuclear batteries known as radioisotope thermoelectric generators (RTGs) and producing plutonium-238 (Pu-238) as their fuel, ...

The United Kingdom has the largest stockpile of plutonium in the world, so why are we getting rid of it? Tali Fraser explores ...

Plutonium discovered at the bottom of the ocean was found to be refuse from a kilonova that exploded close to Earth 10 million years ago. Kilonovas occur when binary neutron stars spiral closer and ...

This, as he found out, isn’t something you should do lightly, as the one he used ended up containing an interesting mix of radioactive materials, including small amounts of plutonium-239 ...

John Sutton described his client as an “innocent collector” and “science nerd”, claiming Lidden “did not import or possess these items with any sinister intent”. “These offences were committed out of ...

A “science nerd” and collector has become the first person prosecuted in Australia for importing nuclear material to his home ...

F or the first time in 35 years, the US National Nuclear Security Administration (NNSA) has manufactured a plutonium pit for ...

Trying to figure out if you have enough plutonium for your shrink gun? Well we can work that out with the power of the addition symbol. We use the addition symbol when we want to add one thing to ...

The Fat Man atomic bomb was dropped over Nagasaki on August 9, 1945. Built with a solid plutonium core, Fat Man was the second (following Little Boy that was dropped at Hiroshima on August 6 ...

A union is calling for radioactive plutonium at a nuclear plant to be recycled into new nuclear fuel instead of stored. In January the government said it would put 140 tonnes of the hazardous ...

Japan’s plutonium stockpiles in Britain and France totaled 21.8 tons and 15.4 tons, respectively, as of December 2020. Britain shut down its only M OX plant in 2011, which means it can no longer ...