Light Fidelity, also known as Li-Fi, uses the power of light to transmit data. This technology harnesses light signals to connect to the internet. Unlike Wi-Fi, which uses radio waves to create a ...

How did a little-known Chinese start-up cause the markets and U.S. tech giants to quake? Here’s what to know. By Cade Metz Reporting from San Francisco Tech stocks tumbled. Giant companies like Meta ...

How worried should we be about AI’s effects on the grid? This article is from The Spark, MIT Technology Review’s weekly climate newsletter. To receive it in your inbox every Wednesday, sign up here.