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, ...

Science Photo Library A pellet of plutonium, illuminated by its own radioactive glow The rare material is highly toxic and carcinogenic, and it only takes seven pounds of plutonium to make a ...

The Pu-238 fuel pellets are encased in the stack of GPHS blocks in the center. Source: NASA Radioisotope Power Systems The design of RTGs for space is fairly simple. Radioactive fuel is pressed ...

The aim is to be able to close the fuel cycle for VVER reactors. (Image: Rosatom) Instead of standard enriched natural uranium, the REMIX fuel assemblies contain pellets of a mixture of enriched ...

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 ...

SEVERSK. Dec 25 (Interfax) - Rosatom began pilot industrial operation on Wednesday of the fabrication/refabrication fuel module (FRM) for the BREST-300 fast neutron reactor, which is currently under ...