If you have ever had a PET scan at a hospital or heard about radiation treatment for cancer or brain tumours, there's a good chance a cyclotron was involved. But what is a cyclotron and how is it used ...

Okay, not actually a cyclotron… but this ball cyclotron is a good model for what a cyclotron does and the concepts behind it feel kooky and magical. A pair of Ping Pong balls scream around a glass ...

A man inspects a cyclotron's magnet frame under construction at Columbia University's Nevis Lab, Irvington, New York, 1947.Fritz Goro—Time & Life Pictures/Getty Images In the world of technology, what ...