xenon-135

iodine-129

Products of uranium-235 fission

When I read, it’s always one thing leading to another. Someone tipped me off about a piece in Science about CTBT compliance monitoring efforts, and I ended up making this incredibly ghastly but satisfying mindmap of the product yield of uranium-235 fission by thermal neutrons. When August 29, the

Comprehensive Test Ban Treaty

Keeping up with the radioxenons

After the first of two nuclear weapon tests by North Korea, in 2006, a monitoring station in Yellowknife, Canada, caught a whiff of xenon-133, a radioactive isotope of xenon, in the atmosphere. It had been released by the blast and had traveled more than 7,500 km. Being a noble