“One of the latest innovations at artificial-intelligence chip maker Nvidia has nothing to do with bits and bytes. It involves liquid.

Nvidia’s coming GB200 server racks, which contain its next-generation Blackwell chips, will mainly be cooled with liquid circulated in tubes snaking through the hardware rather than by air. An Nvidia spokesman said the company was also working with suppliers on additional cooling technologies, including dunking entire drawer-sized computers in a nonconductive liquid that absorbs and dissipates heat.

Cooling is suddenly a hot business as engineers try to tame one of the world’s biggest electricity hogs. Global data centers—the big computer farms that handle AI calculations—are expected to gobble up 8% of total U.S. power demand by 2030, compared with about 3% currently, according to Goldman Sachs research.”

From Wall Street Journal.