unit of physical quantity
91Outline of energy — See also: Index of energy articles In physics, energy (from the Greek ἐνέργεια – energeia, activity, operation , from ἐνεργός – energos, active, working [1]) is a scalar physical quantity that describes the amount of work that can be performed by …
92Infantry — For the computer game, see Infantry (computer game). Warfare Military history Eras Prehistoric Ancient …
93Food irradiation — The Radura logo, used to show a food has been treated with ionizing radiation. Food irradiation is the process of exposing food to ionizing radiation[1] to destroy microorganisms, bacteria, viruses, or ins …
94Pressure gradient — In atmospheric sciences (meteorology, climatology and related fields), the pressure gradient (typically of air, more generally of any fluid) is a physical quantity that describes in which direction and at what rate the pressure changes the most… …
95Inverse-square law — In physics, an inverse square law is any physical law stating that some physical quantity or strength is inversely proportional to the square of the distance from the source of that physical quantity. Areas of application In particular the… …
96Intermediate treatment of tensors — In mathematics and physics, a tensor is an idealized geometric or physical quantity whose numerical description, relative to a particular frame of reference, consists of a multiple indexed array of numbers. A vector, for example, is a tensor with …
97Sensor — For other uses, see Sensor (disambiguation). Sensors redirects here. For other uses, see Sensors (disambiguation). Detector redirects here. For other uses, see Detector (disambiguation). Thermocouple sensor for high temperature measurement A… …
98Geodesy — (pronEng|dʒiːˈɒdɪsi [OED] ), also called geodetics, a branch of earth sciences, is the scientific discipline that deals with the measurement and representation of the Earth, including its gravitational field, in a three dimensional time varying… …
99Dirac equation — Quantum field theory (Feynman diagram) …
100Nordström's theory of gravitation — In theoretical physics, Nordström s theory of gravitation was a predecessor of general relativity. Strictly speaking, there were actually two distinct theories proposed by the Finnish theoretical physicist Gunnar Nordström, in 1912 and 1913… …
