Physics Facts

48 facts, from the everyday to the astonishing.

You may not be aware of it, but when you look at the world, the image projected on your retina is upside down. This is…

Atoms are the extremely small particles of which we, and everything around us, are made. A single element, such as…

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

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

All Physics facts