peak radar power
71radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
72Autonomous car — For the wider application of artificial intelligence to automobiles, see Vehicle Automation. Junior, a robotic Volkswagen Passat parked at Stanford University. An autonomous car, also known as robotic or informally as driverless, is an autonomous …
73McDonnell Douglas F-4 Phantom II — F 4 redirects here. For other uses, see F4 (disambiguation). F 4 Phantom II An F 4B Phantom II of Marine fighter attack squadron VMFA 314, the Black …
74Geomagnetic storm — This article is about disturbances within Earth s magnetosphere. For other uses of magnetic storm , see Magnetic storm (disambiguation). Solar particles interact with Earth s magnetosphere. A geomagnetic storm is a temporary disturbance of the… …
75Nikola Tesla — Tesla, aged 37, 1893, photo by Sar …
76Wind — For other uses, see Wind (disambiguation). Wind, from the …
77laser — /lay zeuhr/, n. Physics. a device that produces a nearly parallel, nearly monochromatic, and coherent beam of light by exciting atoms to a higher energy level and causing them to radiate their energy in phase. Also called optical maser. [1955 60; …
78United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
79Anthropology and Archaeology — ▪ 2009 Introduction Anthropology Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …
80military aircraft — Introduction any type of aircraft that has been adapted for military use. Aircraft have been a fundamental part of military power since the mid 20th century. Generally speaking, all military aircraft fall into one of the following… …
