Spy agencies want low-energy system to solve 'interesting problems' - Computerworld: The goal of the government's solicitation is "to demonstrate a small-scale computer based on superconducting logic and cryogenic memory that is energy efficient, scalable, and able to solve interesting problems..."
The U.S. believes superconducting technologies can reduce power demand for one petaflop to 25 kW or even 100 petaflops for about 200 kW, including the cost of cryogenic refrigeration...
The NSA, in particular, has had a long interest in superconducting technology, but "significant technical obstacles prevented exploration of superconducting computing," the government said in its solicitation. Those innovations include cryogenic memory designs that allow operation of memory and logic in close proximity within the cold environment, as well as much faster switching speeds.
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