(at very low temperatures)
61Donald Eigler — Don Eigler and Neon in front of one of the two Scanning Tunneling Microscopes at Almaden Donald M. Eigler is a physicist and IBM Fellow at the IBM Almaden Research Center. On September 28, 1989 he achieved a landmark in humankind’s ability to… …
62Cryogenic seal — Cryogenic seals provide a mechanical containment mechanism for materials held at cryogenic temperatures, such as cryogenic fluids. Various techniques, including soldering and welding are available for creating seals, however specialized materials …
63Noble gas compound — Contents 1 History and background 2 Pre 1962 compounds 2.1 Clathrates …
64Fermionic condensate — A fermionic condensate is a superfluid phase formed by fermionic particles at low temperatures. It is closely related to the Bose–Einstein condensate, a superfluid phase formed by bosonic atoms under similar conditions. Unlike the Bose–Einstein… …
65Resistance thermometer — Resistance thermometers, also called resistance temperature detectors (RTDs), are temperature sensors that exploit the predictable change in electrical resistance of some materials with changing temperature. As they are almost invariably made of… …
66Nucleation — Not to be confused with Microtubule nucleation . Nucleation is the extremely localized budding of a distinct thermodynamic phase. Some examples of phases that may form via nucleation in liquids are gaseous bubbles, crystals or glassy regions.… …
67Drying — For the food conservation method, see drying (food). Drying is a mass transfer process consisting of the removal of water or another solvent [1] by evaporation from a solid, semi solid or liquid. This process is often used as a final production… …
68Práxedis G. Guerrero, Chihuahua — Práxedis G. Guerrero is one of the 67 municipalities of the Mexican state of Chihuahua, in the north of the state along the border with the United States. Its seat is Práxedis G. Guerrero.GeographyClimate and ecologyThe climate is extremely arid …
69Cryopreservation — The process of cooling and storing cells, tissues, or organs at very low temperatures to maintain viability. For example, the technology of cooling and storing cells at a temperature below the freezing point ( 196 C) permits high rates of… …
70rocket and missile system — ▪ weapons system Introduction any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion. Rocket is a general term used broadly to describe a variety of jet propelled missiles… …
