Test your knowledge of the influential figures in physics who paved the way for Newton's groundbreaking discoveries.

Step inside the strange world of a superfluid, a liquid that can flow endlessly without friction, defying the common-sense ...

Heat is not supposed to behave like this. In everyday life, warmth seeps and diffuses, spreading from hot to cold in a slow, smearing process that never looks anything like a crisp sound wave. Yet ...

More than 200 years ago, Count Rumford showed that heat isn’t a mysterious substance but something you can generate endlessly ...