effective contact area
61High explosive anti-tank warhead — High explosive anti tank (HEAT) rounds are made of an explosive shaped charge that uses the Neumann effect (a development of the Munroe effect) to create a very high velocity jet of metal in a state of superplasticity that can punch through solid …
62metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
63Nanotube nanomotor — A device generating linear or rotational motion using carbon nanotube(s) as the primary component, is termed a nanotube nanomotor. Nature already has some of the most efficient and powerful kinds of nanomotors. Some of these natural biological… …
64ZSU-57-2 — Infobox Weapon name=ZSU 57 2 (Ob yekt 500) caption=ZSU 57 2 in Lubuskie Military Museum in Drzonów, Poland, 1 July 2007. origin=flagcountry|Soviet Union type=Self propelled anti aircraft gun is vehicle=yes designer=Design Bureaus of Omsk Works No …
65Indo-European languages — Indo European redirects here. For other uses, see Indo European (disambiguation). See also: List of Indo European languages Indo European Geographic distribution: Before the 16th century, Europe, and South, Central and Southwest Asia; today… …
66Continuous track — A closeup of continuous tracks on a bulldozer …
67space — Any demarcated portion of the body, either an area of the surface, a segment of the tissues, or a cavity. SEE ALSO: area, region, zone. SYN: spatium [TA]. [L. spatium, room, s.] alveolar dead s …
68Proto-Germanic language — Proto Germanic Spoken in Northern Europe Extinct evolved into Proto Norse, Gothic, Frankish and Ingvaeonic by the 4th century Language family Indo European …
69Critical micelle concentration — In colloidal and surface chemistry, the critical micelle concentration (CMC) is defined as the concentration of surfactants above which micelles form and almost all additional surfactants added to the system go to micelles.[1] The CMC is an… …
70Bong — A bong, also commonly known as a water pipe, is a smoking device, generally used to smoke cannabis, tobacco, or other substances. [cite web|url=http://www.whitehousedrugpolicy.gov/drugfact/marijuana/index.html|title=Office of National Drug… …
