IBM has built the world’s largest dilution refrigerator - internally known as project Goldeneye - capable of cooling future generations of quantum experiments. This “super-fridge,” is a dilution refrigerator larger than any commercially available today. Dilution refrigerators are experimental cryogenic devices that use a mixture of helium-3 and helium-4 to cool a space volume to the milli-Kelvin (mK) regime.
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