Ever wondered how light slows down when passing through a material? Here we explore why the answer is not that straightforward.

Ever since Democritus – a Greek philosopher who lived between the 5th and 4th century's BCE – argued that all of existence was made up of tiny indivisible atoms, scientists have been ...

Physicists from Imperial College London have achieved a groundbreaking milestone in quantum physics by reimagining the classic double-slit experiment—this time in the dimension of time. Led by ...

Einstein's work taught us many things: that space and time are connected, that you can never travel faster than light, that our universe has a finite age and that different observers experience ...

The speed of light is 299,792,458 meters per second and that constant tells us much about cause and effect in the universe.

LED lights are the latest thing in home lighting, using less energy and lasting longer than their incandescent cousins. How do they work? Find out in the latest installment of Appliance Science.

Why does the fabric of space-and-time expand faster than the speed of light? It's one of the most difficult concepts in all of physics to understand, but we're up to the challenge. Let's find out.

The phenomenon of light slowing down as it passes through a material like glass or air is one of the most fascinating areas of physics, involving a complex interaction between light and materials.