Whenever I open up the For You tab in the Photos app, every single “effect suggestion” is Brighten this Portrait Photo with Studio Lighting. Every single one. I’m not even exaggerating. And I’m never ...

A cloud of ultracold atoms is like a motel with a neon “no vacancy” sign. If a guest at the motel wants to switch rooms, they’re out of luck. No vacant rooms means there’s no choice but to stay put.

As one of the most influential experiments on the development of modern macroscopic theory from Newtonian mechanics to Einstein’s special theory of relativity, the phenomenon of light dragging in a ...