Physics Facts

48 facts, from the everyday to the astonishing.

Have you ever wondered why astronauts float in space? Well, it isn't because there is no gravity in space. Astronauts…

They sound like thunder, but they're not. They're sonic booms, concentrated blasts of sound waves created as vehicles…

Determining the age of relatively recent fossils, those of plants and animals that lived tens of thousands of years ago,…

You might wonder what the Northern Lights and neon signs have in common. Actually, a lot! What makes luminous colors…

All Physics facts