lose (one's) bearings
51radiation — 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… …
52Combined Bomber Offensive — alias: Allied Bomber offensive [sic] Part of Strategic bombing campaign in Europe …
53Wankel engine — The Wankel engine is a type of internal combustion engine which uses a rotary design to convert pressure into a rotating motion instead of using reciprocating pistons. Its four stroke cycle is generally generated in a space between the inside of… …
54Technology of the Song Dynasty — The Song Dynasty ( zh. 宋朝; 960–1279 CE) provided some of the most significant technological advances in Chinese history, many of which came from talented statesmen drafted by the government through imperial examinations.The ingenuity of advanced… …
55Reindeer hunting in Greenland — is of great importance to the Kalaallit (Greenland Inuit) and sporting hunters, both residents and tourists. Reindeer (Caribou) are an important source of meat, and harvesting them has always played an important role in the history, culture, and… …
56List of Deadliest Catch episodes — This is a list of Deadliest Catch episodes with original airdate on Discovery Channel. Airdates on Discovery Channel Canada generally differ. Contents 1 Pilot 2 Season 1 3 Season 2 4 Season 3 …
57Central vacuum cleaner — The power unit of a typical central vacuum cleaner for residential use A central vacuum cleaner (also known as built in or ducted) is a type of vacuum cleaner appliance, installed into a building as a semi permanent fixture. Central vacuum… …
58Kirklees — For the medieval village of the same name, see Kirklees, West Yorkshire. Coordinates: 53°35′35″N 1°48′04″W / 53.593°N 1.801°W / 53.593; 1.801 …
59gas-turbine engine — Introduction any internal combustion engine employing a gas as the working fluid used to turn a turbine. The term also is conventionally used to describe a complete internal combustion engine consisting of at least a compressor, a… …
60Wilhelm Steinitz — Infobox chess player playername = Wilhelm Steinitz caption= birthname = Wilhelm Steinitz country = flag|Austrian Empire USA datebirth = birth date|1836|5|17 placebirth = Prague, Bohemia datedeath = death date and age|1900|8|12|1836|5|7 placedeath …
