Physics Facts

48 facts, from the everyday to the astonishing.

A force may be thought of as a push or pull in a specific direction. When a force is applied to an object, the object…

In a rural community in Northern California, in a building spanning the length of two football fields scientists are…

Quarks are the most fundamental particles that we know of. Both protons and neutrons are made of quarks. We know quarks…

Mach 1 is the speed of sound. A Mach number is simply the ratio of an object's speed to the speed of sound in the air…

All Physics facts