Physics Facts

48 facts, from the everyday to the astonishing.

Air is a gas, and gases can be studied by considering the small scale action of individual molecules or by considering…

In the first few millionths of the second after the Big Bang, the universe looked very different than today. In fact the…

Ultraviolet light is a form of radiation which is not visible to the human eye. It's in an invisible part of the…

In almost every science fiction movie ever made, you are bound to hear about antimatter –– matter-antimatter propulsion…

All Physics facts