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Liquid nitrogen cooling is, generally, only used for processor benchmarking, due to the fact that continuous usage may cause permanent damage to one or more parts of the computer and, if handled in a careless way, can even harm the user, causing frostbite.
Among these was the use of liquid nitrogen for cooling the CMOS-based CPUs. The ETA10 successfully met the company's initial goals (10 GFLOPS), with some models achieving a cycle time of about 7 ns (143 MHz) - considered rapid by mid-1980s standards. They delivered seven liquid nitrogen-cooled versions and 27 smaller, air-cooled versions.
Liquid nitrogen may be used for cooling an overclocked computer, when an extreme measure of cooling is needed. Liquid nitrogen is a compact and readily transported source of dry nitrogen gas, as it does not require pressurization.
Due to the use of liquid cooling, the Cray-2 was given the nickname "Bubbles", and common jokes around the computer made reference to this unique system. Gags included "No Fishing" signs, cardboard depictions of the Loch Ness Monster rising out of the heat exchanger tank, plastic fish inside the exchanger, etc. The power consumption of the Cray ...
Contemporary cryogenic processors monitor temperature fluctuations and modulate the liquid nitrogen input to ensure that only fractional changes in temperature occur over a specific period of time. These temperature readings and adjustments are synthesized into profiles that are used to repeat the process when treating similarly grouped objects.
Small magnet levitating above a high-temperature superconductor cooled by liquid nitrogen: this is a case of Meissner effect. An experiment based on flux quantization of a three-grain ring of YBa 2 Cu 3 O 7 (YBCO) was proposed to test the symmetry of the order parameter in the HTS.
The Aquasar contains water-cooled IBM BladeCenter Servers (IBM's versions of the bare-bones server computer) and air-cooled IBM BladeCenter Servers in order to contrast the performance of the hot-water coolant and the air cooling. The air-cooled and water-cooled BladeCenters are made up of IBM BladeCenter H Chassis, using a combination of IBM ...
The design never fully matured, and it was unable to reach its goals. Nevertheless, the product was one of the fastest computers on the market, and 7 liquid nitrogen-cooled and 27 smaller air cooled versions of the computers were sold during the next few