Micro Cryogenic Coolers (MCC)

A lot of the really interesting phenomena in Condensed Matter Physics only take place at very low temperatures, e.g. superconductivity. This often limits their usefulness, as cryogenic equipment (necessary to achieve such low temperatures) is costly and bulky. THz switching using superocnductors is great for some very specialised applications, but it is not going to give us desktop computers operating at THz speed (=1000 GHz) if that requires the computer in question to be permanently connected to a tank of liquid Helium. But what if every chip had its own, micron-sized cooling devices, so that only the microscopic circuitry itself were at such low temperatures? DARPA believe that such microcryocooling technologies are worth pursuing, and we agree (though for very different reasons!)

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