Witness the test flight of the TU-144LL, 1998
The Russian Tu-144 was modified by the Tupolev Aircraft Design Bureau of Moscow into the TU-144LL Flying Laboratory; the TU-144LL is seen here in tests from 1998. Together with U.S. partners NASA and the Boeing Company, the TU-144LL was used to gather data to help in the design of more-efficient and environmentally friendly next-generation supersonic transports.
NASA/Dryden Research Aircraft Movie Collection
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Encyclopædia Britannica, Inc.Don't let film photography become a lost art.Media Editors: Lauren Sims , Kira Helm
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Encyclopædia Britannica, Inc.Learn about mining and refining copper from Chile's Atacama Desert.
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Contunico © ZDF Studios GmbH, MainzA Boeing 747 undergoing a D-check, an extensive maintenance inspection in which much of the aircraft is disassembled and examined.
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Contunico © ZDF Studios GmbH, MainzCommuters in the Tokyo area depend on rail transportation, and most pass through Shinjuku station.
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© The University of Newcastle, Faculty of Engineering and Built Environment with thanks to Jeremy Ley and Nick Parker from Light Creative (A Britannica Publishing Partner)Learn how engineers solve practical problems in the world, such as how to build airplanes, skyscrapers, and suspension bridges.
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Contunico © ZDF Studios GmbH, Mainz; Thumbnail © Anthony Shaw/Dreamstime.comLearn what's being done to improve crowd flow in Japan's train stations—and how that makes the country's railway system work more efficiently.
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Contunico © ZDF Studios GmbH, Mainz; Thumbnail © Blanscape/Dreamstime.comLearn about the technology used in Tokyo's railway system.
