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The possibility of negative temperatures was first predicted by Lars Onsager in 1949. [4] Onsager was investigating 2D vortices confined within a finite area, and realized that since their positions are not independent degrees of freedom from their momenta, the resulting phase space must also be bounded by the finite area.
Imperial / US units. ( 9 / 5 x + 32) °F. The degree Celsius is the unit of temperature on the Celsius temperature scale[1] (originally known as the centigrade scale outside Sweden), [2] one of two temperature scales used in the International System of Units (SI), the other being the closely related Kelvin scale.
Decimal degrees (DD) is a notation for expressing latitude and longitude geographic coordinates as decimal fractions of a degree. DD are used in many geographic information systems (GIS), web mapping applications such as OpenStreetMap, and GPS devices. Decimal degrees are an alternative to using sexagesimal degrees (degrees, minutes, and ...
Emails obtained by The Star show that the heat went out the morning of Dec. 23, when the low was negative 4 degrees in Kansas City. Hours later, tenants were notified about an emergency boiler ...
In 1908 he managed to lower the temperature to less than −269 °C (−452.2 F, 4 K), which is four degrees above absolute zero. Only in this exceptionally cold state will helium liquefy; the boiling point of helium being at −268.94 °C (−452.092 F). Kamerlingh Onnes received a Nobel Prize for his achievement. [9]
For polynomials in two or more variables, the degree of a term is the sum of the exponents of the variables in the term; the degree (sometimes called the total degree) of the polynomial is again the maximum of the degrees of all terms in the polynomial. For example, the polynomial x 2 y 2 + 3x 3 + 4y has degree 4, the same degree as the term x ...
These lightweight Keen boots feel like a pair of house slippers but have insulation rated to an impressive negative 4 degrees Fahrenheit. The waterproof nylon uppers and rubber guard keep out the ...
Water's boiling point is 100 °C. This definition assumes pure water at a specific pressure chosen to approximate the natural air pressure at sea level. Thus, an increment of 1 °C equals 1 100 of the temperature difference between the melting and boiling points. The same temperature interval was later used for the Kelvin scale.