Physics Facts

48 facts, from the everyday to the astonishing.

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

How many rainbows are there really when we only see one during a rainstorm? The answer isn't as simple as you might…

There are two main ways to make light. In incandescence , something is heated until it glows, like the filament of an…

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

All Physics facts