radar-reflecting target
81Randall , Sir John Turton — (1905–1984) British physicist The son of a nurseryman, Randall was born at Newton le Willows, then in Lancashire, and educated at the University of Manchester. He began work with General Electric at their Wembley laboratory, originally seeking to …
82Numbers station — Fictional example of a numbers station. Numbers stations (or number stations) are shortwave radio stations of uncertain origin. In the 1950s, Time magazine reported that the numbers stations first appeared shortly after World War II and were… …
83Underwater acoustics — The field of underwater acoustics is closely related to a number of other fields of acoustic study, including sonar, transduction, acoustic signal processing, acoustical oceanography, bioacoustics, and physical acoustics.HistoryUnderwater sound… …
84November class submarine — Class overview Name: project 627 / 627A / 645 Builders: shipyard No. 402 in …
85HISTORICAL SURVEY: THE STATE AND ITS ANTECEDENTS (1880–2006) — Introduction It took the new Jewish nation about 70 years to emerge as the State of Israel. The immediate stimulus that initiated the modern return to Zion was the disappointment, in the last quarter of the 19th century, of the expectation that… …
86Nikola Tesla — Tesla, aged 37, 1893, photo by Sar …
87Gemini 6A — Infobox Space mission mission name = Gemini 6A spacecraft name = Gemini 6A booster = Titan II #62 12561 insignia = Ge06Patch emb.png insignia size = 162px sign = Gemini 6A crew members = 2 launch pad = LC 19 (CCAF) launch = December 15, 1965,… …
88Apollo 11 — Infobox Space mission mission name = Apollo 11 insignia = Apollo 11 insignia.png stats ref =cite web |url=http://history.nasa.gov/SP 4029/Apollo 00g Table of Contents.htm |title= Apollo by the Numbers: A Statistical Reference (SP 4029)… …
89Geodesy — (pronEng|dʒiːˈɒdɪsi [OED] ), also called geodetics, a branch of earth sciences, is the scientific discipline that deals with the measurement and representation of the Earth, including its gravitational field, in a three dimensional time varying… …
90Industrial history of the People's Republic of China — Main articles: Economy and economic history of the People s Republic of China. China s industrial sector has shown great progress since 1949, but in the late 1980s it remained undeveloped in many respects. Although the country manufactured… …
