transient equation
111Doppler effect — Change of wavelength caused by motion of the source. An animation illustrating how the Doppler effect causes a car engine or siren to soun …
112Robert A. Heinlein — Heinlein signing autographs at the 1976 Worldcon Born July 7, 1907(1907 07 07) Butler, Missouri, United States Died …
113System analysis — See also systems analysis. : MISO redirects here, for the data line see Serial Peripheral Interface Bus. System analysis is the branch of electrical engineering that characterizes electrical systems and their properties. Although many of the… …
114Astronomical seeing — Schematic diagram illustrating how optical wavefronts from a distant star may be perturbed by a layer of turbulent mixing in the atmosphere. The vertical scale of the wavefronts plotted is highly exaggerated. Astronomical seeing refers to the… …
115Viscoelasticity — is the property of materials that exhibit both viscous and elastic characteristics when undergoing deformation. Viscous materials, like honey, resist shear flow and strain linearly with time when a stress is applied. Elastic materials strain… …
116Traffic flow — The mathematical or engineering study of traffic flow, and in particular vehicular traffic flow, is done with the aim of achieving a better understanding of these phenomena and to assist in the reduction of traffic congestion problems.The first… …
117Plasma (physics) — For other uses, see Plasma. Plasma lamp, illustrating some of the more complex phenomena of a plasma, including filamentation. The colors are a result of relaxation of electrons in excited states to lower energy states after they have recombined… …
118Porosity — or void fraction is a measure of the void (i.e., empty ) spaces in a material, and is a fraction of the volume of voids over the total volume, between 0–1, or as a percentage between 0–100%. The term is used in multiple fields including… …
119neptune — /nep toohn, tyoohn/, n. any whelk of the genus Neptunea, esp. N. decemcostata, common along the eastern coast of North America and having a shell with seven to ten raised reddish brown spiral ridges on a pale beige or yellow background. [ < NL… …
120Neptune — /nep toohn, tyoohn/, n. 1. the ancient Roman god of the sea, identified with the Greek god Poseidon. 2. the sea or ocean: Neptune s mighty roar. 3. Astron. the planet eighth in order from the sun, having an equatorial diameter of 30,200 mi.… …
