jet divergence
111solids, mechanics of — ▪ physics Introduction science concerned with the stressing (stress), deformation (deformation and flow), and failure of solid materials and structures. What, then, is a solid? Any material, fluid or solid, can support normal forces.… …
112AVIATION - Avions civils et militaires — C’est Clément Ader qui créa le mot avion à partir du latin avis qui signifie oiseau. Tel est le nom, en effet, qu’il donna à l’appareil qu’il construisit en 1897, successeur de l’Éole qui le premier (le 9 octobre 1890) quitta le sol sur une… …
113Extreme sport — This article is about various Extreme Sports. For the TV channel, see Extreme Sports Channel. Wave jumping wipeout. While attempting a forward loop in overpowered storm conditions off the coast of Cantabria, Spain, windsurfer Justin Wheeler gets… …
114Tai chi chuan — Infobox martial art logo = logocaption = logosize = imagecaption = Yang Chengfu in a posture from the Yang style tai chi chuan solo form known as Single Whip c. 1931 imagesize = name = Tai chi chuan (太極拳) aka = t ai chi ch üan; tai ji quan focus …
115Hall effect thruster — In spacecraft propulsion, a Hall thruster is a type of ion thruster in which the propellant is accelerated by an electric field. Hall thrusters trap electrons in a magnetic field and then use the electrons to ionize propellant, efficiently… …
116Radio propagation — is a term used to explain how radio waves behave when they are transmitted, or are propagated from one point on the Earth to another. [ H. P. Westman et al, (ed), Reference Data for Radio Engineers, Fifth Edition , 1968, Howard W. Sams and Co.,… …
117Technicolor (physics) — Beyond the Standard Model Standard Model …
118Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
119Potential vorticity — (PV) is a quantity which is proportional to the dot product of vorticity and stratification that, following a parcel of air or water, can only be changed by diabatic or frictional processes. It is a useful concept for understanding the generation …
120Atmospheric convection — Conditions favorable for thunderstorm types and complexes Atmospheric convection is the result of a parcel environment instability, or temperature difference, layer in the atmosphere. Different lapse rates within dry and moist air lead to… …
