5 ms·
In my UK high school in the 1980s, during a lecture from a visiting nuclear engineer to our science club (BAYS), we got to handle (and directly touch) various s
by adonovan 3y ago
In my UK high school in the 1980s, during a lecture from a visiting nuclear engineer to our science club (BAYS), we got to handle (and directly touch) various sources including a piece of Plutonium about the size of a 2p coin, edge-framed by lucite but not sealed. The point was to show that alpha was blocked by paper but I still wonder how wise that was.