It’s colossal: creating the largest dilution refrigerator in the world
While your kitchen refrigerator gets cold enough to keep your leftovers from spoiling, dilution refrigerators used for quantum computing research cool devices near the coldest physical temperature possible. Today, at the US Department of Energy’s Fermi National Accelerator Laboratory, researchers are building Colossus: it will be the largest and most powerful refrigerator at millikelvin temperatures …
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