Scientists create microscopic gears powered by light, a breakthrough for chip-scale machines—promising, but still far from ...

Researchers at Seoul National University and Kyung Hee University report a framework to control collective motions, such as ring, clumps, mill, flock, by training a physics-informed AI to learn the ...

Perpetual motion devices are either a gag, a scam, or as in the case of this particular toy that [Big Clive] bought on AliExpress, a rather fascinating demonstration of a contact-free inductive ...

When you shine a flashlight into a glass of water, the beam bends. That simple observation, familiar since ancient times, ...