IBM unveils supercomputer cooled by hot water

IBM has announced that its first-of-a-kind hot water-cooled supercomputer has been installed at the Swiss Federal Institute of Technology Zurich (ETH Zurich). Named the Aquasar, the system not only consumes up to 40 per cent less energy than an air-cooled machine but the direct utilization of waste heat in the building's heating system translates to an 85 per cent cut in carbon dioxide emissions.

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