As a young child in Long Island, New York, I struggled to learn how to count. I relied on my fingers to get from one to ten, but what happened after my pinky went down was a mystery. Without physical ...

A century ago, the strange behavior of atoms and elementary particles led physicists to formulate a new theory of nature. That theory, quantum mechanics, found immediate success, proving its worth ...

(via Sabine Hossenfelder) Complex numbers are created when you add a real number and an imaginary number (like “i”). These numbers are used throughout math and physics, notably in the Schrödinger ...