From the most distant stars in the sky to the screen in front of your face, light is everywhere. But the exact nature of ...

For centuries, scientific progress has depended on more precise tools for measuring the world around us. Galileo’s telescope revealed Jupiter’s moons and shook the geocentric universe.

(Nanowerk News) In everyday life, light is a wave as is apparent from the colorful iridescence of opal gemstones, or from oil films on water puddles. We also take it for granted that light travels in ...

The Irish mathematician and physicist William Rowan Hamilton, who was born 220 years ago last month, is famous for carving some mathematical graffiti into Dublin's Broome Bridge in 1843. But in his ...

So, you’re driving a car at half the speed of light. (Both hands on the wheel, please.) You turn on the headlights. How fast would you see this light traveling? What about a person standing by the ...

This Star Trek concept ignited a dream that humans could one day travel faster than the speed of light. Now physicists are ...

Does light behave more like a particle, or like a wave? Today we know the surprising answer. Here's why it took so long to get there. When you purchase through links on our site, we may earn an ...