Flat+plate+of+metal
111small arm — small armed, adj. Usually, small arms. a firearm designed to be held in one or both hands while being fired: in the U.S. the term is applied to weapons of a caliber of up to one in. (2.5 cm). [1680 90] * * * ▪ military technology Introduction… …
112Railroad switch — For other uses, see Switch (disambiguation). A right hand railroad switch with point indicator pointing to right …
113Repoussé and chasing — Chased and chasing redirect here. For other uses, see Chase (disambiguation). The Great Dish, or Great Plate of Bacchus, from the Roman Mildenhall Treasure …
114solids, 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.… …
115Butterfly valve — A butterfly valve is a type of flow control device, typically used to regulate a fluid flowing through a section of pipe. The valve is similar in operation to a ball valve. A flat circular plate is positioned in the center of the pipe. The plate… …
116solar energy — energy derived from the sun in the form of solar radiation. Also called solar. * * * Radiation from the Sun that can produce heat, generate electricity, or cause chemical reactions. Solar energy is inexhaustible and nonpolluting, but it is not an …
117Project Orion (nuclear propulsion) — An artist s conception of the NASA reference design for the Project Orion spacecraft powered by nuclear propulsion. Project Orion was a study of a spacecraft intended to be directly propelled by a series of explosions of atomic bombs behind the… …
118Mezzotint — Sunshine V, mezzotint by Peter Ilsted Mezzotint is a printmaking process of the intaglio family, technically a drypoint method. It was the first tonal method to be used, enabling half tones to be produced without using line or dot based… …
119T-72 operators and variants — The T 72 is a Soviet designed main battle tank that entered production in 1971. It replaced the T 54/55 series as the workhorse of Soviet tank forces (while the T 64 and T 80 served as the Soviet high technology tanks). In front line Russian… …
120Heat pipe — A heat pipe is a heat transfer mechanism that can transport large quantities of heat with a very small difference in temperature between the hotter and colder interfaces. Inside a heat pipe, at the hot interface a fluid turns to vapour and the… …
