A computer that uses light rather than digital switches for calculations could help reduce the energy demands of artificial intelligence (AI), according to a new study. The scientists who invented the ...

Engagement with technology, far from contributing to “brain rot,” may offer cognitive benefits to older adults.

Google unveiled an experimental machine capable of tasks that a traditional supercomputer could not master in 10 septillion years. (That’s older than the universe.) Google’s quantum computing cooling ...

Ms. Gelinas is a contributing Opinion writer. Waymo, the driverless-ride service, wants to come to New York City. The company, owned by Google’s parent, Alphabet, has begun testing its electric ...