Innovative tool for producing computer chips uses giant, nearly perfect mirrors to make tiny transistors and circuits.

Atsuyoshi Koike, the public face of Japan’s effort to muscle back into the semiconductor industry it used to dominate, first ...

The agreement with the start-up Cerebras is the latest in a series intended to expand the A.I. company’s computing power. By Cade Metz Reporting from San Francisco After signing deals to use computer ...