(indication on tv set)
81History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …
82Pentax ME F — The Pentax ME F was an amateur level, interchangeable lens, 35 mm film, single lens reflex (SLR) camera. It was manufactured by Asahi Optical Co., Ltd. (called PENTAX Corporation since 2002) of Japan from November 1981 to 1984. The ME F was a… …
83Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …
84Needs assessment — is a systematic process for determining and addressing needs, or gaps between current conditions and desired conditions or wants . The discrepancy between the current condition and wanted condition must be measured to appropriately identify the… …
85Phenomenology (The beginnings of) — The beginnings of phenomenology Husserl and his predecessors Richard Cobb Stevens Edmund Husserl was the founder of phenomenology, one of the principal movements of twentieth century philosophy. His principal contribution to philosophy was his… …
86Differential diagnosis — Intervention MeSH D003937 A differential diagnosis (sometimes abbreviated DDx, ddx, DD, D/Dx, or ΔΔ) is a systematic diagnostic method used to identify the presence of an entity where multiple alternatives are …
87Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… …
88encyclopaedia — Reference work that contains information on all branches of knowledge or that treats a particular branch of knowledge comprehensively. It is self contained and explains subjects in greater detail than a dictionary. It differs from an almanac in… …
89painting, Western — ▪ art Introduction history of Western painting from its beginnings in prehistoric times to the present. Painting, the execution of forms and shapes on a surface by means of pigment (but see also drawing for discussion of depictions in …
90publishing, history of — Introduction an account of the selection, preparation, and marketing of printed matter from its origins in ancient times to the present. The activity has grown from small beginnings into a vast and complex industry responsible for the… …
