Catalytic Computing Taps the Full Power of a Full Hard Drive

“Obviously” is a dangerous word, even in scenarios that seem simple. Suppose, for instance, you need to do an important computation. You get to choose between two computers that are almost identical, except that one has an extra hard drive full of precious family photos. It’s natural to assume that the two options are equally good — that an extra drive with no space remaining won’t aid your…

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