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absolute zero

(Encyclopedia) absolute zero, the zero point of the ideal gas temperature scale, denoted by 0 degrees on the Kelvin and Rankine temperature scales, which is equivalent to −273.15℃ and −459.67℉. For…

temperature

(Encyclopedia) CE5 Temperature scales temperature, measure of the relative warmth or coolness of an object. Temperature is measured by means of a thermometer or other instrument having a scale…

potential, electric

(Encyclopedia) potential, electric, work per unit of electric charge expended in moving a charged body from a reference point to any given point in an electric field (see electrostatics). The…

galactic coordinate system

(Encyclopedia) galactic coordinate system, astronomical coordinate system in which the principal axis is the galactic equator (the intersection of the plane of the Milky Way with the celestial sphere…

Rankine temperature scale

(Encyclopedia) Rankine temperature scale, temperature scale having an absolute zero, below which temperatures do not exist, and using a degree of the same size as that used by the Fahrenheit…

superfluidity

(Encyclopedia) superfluidity, tendency of liquid helium below a temperature of 2.19K to flow freely, even upward, with little apparent friction. Helium becomes a liquid when it is cooled to 4.2K.…

non-Euclidean geometry

(Encyclopedia) non-Euclidean geometry, branch of geometry in which the fifth postulate of Euclidean geometry, which allows one and only one line parallel to a given line through a given external…

Kelvin temperature scale

(Encyclopedia) Kelvin temperature scale, a temperature scale having an absolute zero below which temperatures do not exist. Absolute zero, or 0K, is the temperature at which molecular energy is a…

Zero Kelvin

Director:Hans Petter MolandWriters:Lars Bill Lundholm and Hans Petter MolandDirector of Photography: Philip OgaardEditor: Einar EgelandMusic:Terje RypdalProduction Designer:Janusz…

Zero Effect

Director/Writer:Jake KasdanDirector of Photography:Bill PopeEditor:Tara TimponeMusic:Greyboy AllstarsProduction Designer:Gary FrutkoffProducers:Lisa Henson, Janet Yang and Jake KasdanCastle…