Supersonic experiments are forcing physicists to rewrite a rule of thumb that has guided metal design for roughly 70 years, ...

Almost exactly 200 years ago, French physicist Sadi Carnot determined the maximum efficiency of heat engines. The Carnot ...

For nearly 20 years, scientists have debated the viability of an EmDrive, a hypothetical type of engine that could propel a spacecraft without the need for any fuel. Now, a team of German physicists ...

Physics experiments have changed the world irrevocably, altering our reality and enabling us to take gigantic leaps in technology. From ancient times to now, here's a look at some of the greatest ...

A centuries-old fundamental law of physics called the principle of least action has been demonstrated using quantum objects for the first time. “A physicist’s ultimate dream is to write the secrets of ...

Wu designed and executed an experiment that questioned — and then disproved — the infallibility of parity. After freezing a ...