Light is radiation visible to the human eye. Light is energy called electromagnetic radiation. It’s made up of a stream of energy particles called photons. Each photon has its own energy level.

Light is radiation visible to the human eye. Light is energy called electromagnetic radiation. It’s made up of a stream of energy particles called photons. Each photon has its own energy level.

Have you ever wondered why hot objects glow? The answer lies in a fascinating phenomenon known as blackbody radiation. All ...

There seems to be a misconception around that you can't get sunburned if it is cloudy because the clouds block the sunlight.

At high doses, cosmic rays can tear through DNA molecules and damage biological tissue. Prolonged exposure to cosmic ...