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, ...

There is a mystery machine in the Laboratory floorplan of Blue Prince that doesn't seem to do anything, but it does have a ...

The primary isotope used in modern spacecraft RTGs is plutonium-238 (Pu-238). Unlike the material used in fission-based nuclear reactors on Earth, Pu-238 decays independently, emitting alpha ...

It either must be enriched—made more concentrated in a rare form of uranium (U-235)—or converted into plutonium (Pu-239). Heavy water can play a role in breeding weapons-grade plutonium from ...

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 ...

A Hadley man has been indicted by a federal grand jury in Springfield for allegedly possessing ammunition and explosives despite previously being convicted of a felony, prosecutors said.

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Our researchers have shared the latest strategies for plutonium immobilisation with visitors from the Japanese Citizens' Nuclear Information Center (CNIC). During their visit to Sheffield on 13 ...

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