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Lasers could provide cooling effect in quantum experiments Mike Schott/Shutterstock In the strange world of quantum mechanics, nothing is never actually absent, and now it turns out that nothing, or the absence of photons, can be used to cool objects. One of the most common ways scientists cool objects is with lasers: when a particle

AI programs quickly lose the ability to learn new thingsJiefeng Jiang/iStockphoto/Getty Images The algorithms that underpin artificial intelligence systems like ChatGPT are unable to learn as…

The oldest known fragment on Earth? A 4.4 billion year old zircon John Valley, University of Wisconsin-Madison Until recently, many people discounted the idea of life…

Astronomers Center for High Angular Resolution Astronomy (CHARA) Array observed Polaris, the nearest and brightest classical Cepheid star, which is part of a triple star system.…