The Cray 2 was an unusual computer even by the standards of its designer, Seymour Cray. About the size of a large washing machine, it was cooled by immersion in a liquid called Flourinert that had been developed by 3M, and that was occasionally used as a human blood substitute during surgery. The machine was housed in an aquariumlike structure, and was affectionately nicknamed “bubbles.”
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The cray still has it won in the style factor. I still think Crays are the most beautiful computers ever created.