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

It took 125 years, but in 2025 a team of mathematicians discovered the solution to a long-puzzling problem about the ...

For the first time, scientists have observed electrons in graphene behaving like a nearly perfect quantum fluid, challenging a long-standing puzzle in physics. By creating ultra-clean samples, the ...

According to all the known laws of physics, the Big Bang should have created a Universe consisting of both matter and ...

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