Physics Facts

48 facts, from the everyday to the astonishing.

Did you know that gravity is the weakest force in the universe? It's true! Physicists know of four fundamental forces:…

The AM radio dial would be nothing but chaos and noise without a very basic rule - turn down the power at night. The…

Give a plastic bucket and a shovel to a child, then turn her loose on a beach full of sand. She'll happily toil the day…

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

All Physics facts