Hacker News with Generative AI: Radioactive Materials

CO2 laser enables long-range detection of radioactive material (physicsworld.com)
Researchers have demonstrated that they can remotely detect radioactive material from 10 m away using short-pulse CO2 lasers – a distance over ten times farther than achieved via previous methods.
Radioactive Tape Dispenser (1970s) (orau.org)
This is a 3M Model C-15 Decor Scotch tape dispenser. It is slightly radioactive due to the thorium-containing monazite sand that was used as ballast.