Celebrate Pi Day and read all about how this number pops up across math and science on our special Pi Day page. Grab something circular, like a cup, measure the distance around the circle, and divide ...

Have you ever watched a mile-long freight train rumble by and wondered how one locomotive can pull more than a hundred fully loaded cars? The locomotive weighs maybe 150 metric tons, and each car is ...

If you want to cut your study time, using the Feynman Technique is a great way to do it. Named after the physicist Richard Feynman, it revolves around explaining a concept in simple language as if you ...

More than a century before quantum mechanics was born, Irish mathematician William Rowan Hamilton stumbled onto an idea that would quietly foreshadow one of the deepest truths in physics. While ...

Rachel Mason’s excellent 2019 documentary feature Circus of Books took us inside an ordinary mom-and-pop business with a ...