Did you know you've been cooking your food with light? Most of us have a microwave oven in our kitchens, and that's exactly what they do. When you press start, a device called a magnetron emits a ...

The latest Google Doodle to commemorate a major breakthrough in science harks back to 1676, when Danish astronomer Ole Rømer demonstrated that light had a finite speed. The determination of the speed ...

We've come a long way from the luminiferous aether. The speed of light, sometimes abbreviated as c, is a universal maximum posted speed that causality will enforce. It's the greatest speed at which ...

If we want to click a picture of the sun, we pick up a camera or a smartphone and snap it in all its magnificence. While it is as easy as that currently, capturing the sun was no easy feat even a ...