Using hot water to cool supercomputers? Nvidia and others are doing it. It’s liquid cooling minus the water chillers.

IBM researchers are counting on a 40-year-old technology to keep modern, state-of-the-art datacenters running cool and allow companies to squeeze more computing power from the electricity they consume ...

Water-cooled server racks remain a rare thing in data centers. But IBM’s move last week to offer an add-on water-cooling unit for its Intel-based xSeries servers and other systems should increase the ...