taper-end cone
41Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… …
42Crucibulum — laeve growing on wood Scientific classification …
43Shell (projectile) — This article is about the artillery projectile. For the small arms ammunition, see Shotgun shell. Some sectioned shells from the First World War. From left to right: 90 mm fragmentation shell, 120 mm pig iron incendiary shell, 77/14 model 75 mm… …
44Venturi effect — The Venturi effect is the fluid pressure that results when an incompressible fluid flows through a constricted section of pipe. The Venturi effect may be derived from a combination of Bernoulli s principle and the equation of continuity. The… …
45Malcolm X — Pour les articles homonymes, voir Malcolm. Malcolm X …
46United States Army — Department of the Army United States Army Department of the Army Emblem Act …
47Coca — For other uses, see Coca (disambiguation). Coca Erythroxylum coca Scientific classification Kingdom: Plantae …
48artillery — /ahr til euh ree/, n. 1. mounted projectile firing guns or missile launchers, mobile or stationary, light or heavy, as distinguished from small arms. 2. the troops or the branch of an army concerned with the use and service of such weapons. 3.… …
49Ron Whyte — Ronald Melville Whyte (1941–1989) was an American playwright, critic, and disability rights activist.Whyte was born November 18, 1941 in Black Eagle, Montana to Eva Ranieri, a homemaker and Henry Melville Whyte, a railroad machinist. The family… …
50Transmission electron microscopy — A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… …
