expanding test
71Hollow-point bullet — A hollow point is a bullet that has a pit or hollowed out shape in its tip, generally intended to cause the bullet to expand upon entering a target in order to decrease penetration and disrupt more tissue as it travels through the target. As a… …
72Animal testing — A white Wistar lab rat Description Around 50–100 million vertebrate animals are used in experiments annually. Subjects Animal testing, scien …
73Pakistan and weapons of mass destruction — Pakistan Nuclear program start date January 20, 1972 First nuclear weapon test May 28, 1998 First fusion weap …
74Operation Plumbbob — Plumbbob Priscilla Information Country United States Test site Nevada Test Site Period April October 1957 …
75Comparison of United States presidential candidates, 2008 — This article compares the presidential candidates in the United States 2008 presidential election. It does not cover previous elections. Because of ballot access restrictions in the United States, not all candidates appeared on the ballots in all …
76aerospace industry — Introduction assemblage of manufacturing concerns that deal with vehicular flight within and beyond the Earth s atmosphere. (The term aerospace is derived from the words aeronautics and spaceflight.) The aerospace industry is engaged in the …
77United States Constitution — P …
78Lagrangian — This article is about Lagrange mechanics. For other uses, see Lagrangian (disambiguation). The Lagrangian, L, of a dynamical system is a function that summarizes the dynamics of the system. It is named after Joseph Louis Lagrange. The concept of… …
79Observable universe — For a general discussion of the universe, see Universe. Visualization of the 93 billion light year – or 28 billion parsec – three dimensional observable universe. The scale is such that the fine grains of light represent collections of large… …
80Liquefied petroleum gas — (also called LPG, GPL, LP Gas, or liquid propane gas) is a flammable mixture of hydrocarbon gases used as a fuel in heating appliances and vehicles. It is increasingly used as an aerosol propellant and a refrigerant, replacing chlorofluorocarbons …
