Particle accelerators have been responsible for revolutionary scientific breakthroughs, but the tech behind them isn't as hard to understand as you might think.

When it comes to speed limits, the ultimate one set by the laws of physics themselves is the speed of light. As Albert Einstein first realized, everyone looking at a light ray sees that it appears to ...

The speed of light is a fundamental constant, approximately 299,792,458 meters per second. It's the same for all observers and hasn't changed measurably over billions of years. Nothing can travel ...

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 ...