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Ball lightning is a possible source of legends that describe luminous balls, such as the mythological Anchimayen from Argentinean and Chilean Mapuche culture.. According to a statistical investigation carried out in 1960, of 1,962 Oak Ridge National Laboratory monthly role personnel, and of all 15,923 Union Carbide Nuclear Company personnel in Oak Ridge, found 5.6% and 3.1% respectively ...
Level crossing of two railroad tracks, at any angle from 15° to 90° [89] Dinky A nickname given to small locomotives, particularly one running in industrial service or on narrow gauge tracks. [90] Also, a small old-fashioned trolley. [91] Distributed power unit (DPU) A locomotive or multiple locomotives in the middle or at the end of a train.
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A tram track in its own right-of-way crossing a road can also be classified as a level crossing if it is signed with a crossbuck reading either "tramway crossing" or "railway crossing". Otherwise, it is considered a regular intersection and usually has either traffic lights or a give-way sign facing the road (see Gallery).
The top spot goes to an astonishing video that dispels the common myth that lightning never strikes the same place twice. In reality, the Willis Tower in Chicago is the most frequently struck U.S ...
A level junction (or in the United Kingdom a flat crossing) is a railway junction that has a track configuration in which merging or crossing railroad lines provide track connections with each other that require trains to cross over in front of opposing traffic at grade (i.e. on the level).
The footage, believed to taken from a terminal inside the Ronald Reagan National Airport, captured the moment of impact between AA Flight 5342 and the Army Black Hawk helicopter at about 9 p.m.
Warr’s video shows lightning striking the aircraft while it was parked at the gate. Commercial aircraft, such as the one in the video, are hit by lightning only once or twice a year on average ...