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2661 Bydžovský, provisional designation 1982 FC 1, is an asteroid from the outer region of the asteroid belt, approximately 30 kilometers in diameter. It was discovered on 23 March 1982, by Czech astronomer Zdeňka Vávrová at the South Bohemian Kleť Observatory in the Czech Republic. [ 4 ]
Edison would take full credit for the invention, but the historiographical consensus is that the title of creator can hardly go to one man: While Edison seems to have conceived the idea and initiated the experiments, Dickson apparently performed the bulk of the experimentation, leading most modern scholars to assign Dickson with the major ...
A turntable ladder (TL) is an aerial apparatus with a large ladder mounted on a pivot which resembles a turntable, giving it its name. The key functions of a turntable ladder are allowing access or egress of firefighters and fire victims at height, providing a high-level water point for firefighting (elevated master stream), and providing a ...
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Link Trainer at Freeman Field, Seymour, Indiana. Freeman Field was a US Army Air Force field in World War II. Link and his company had struggled through the Depression years, but after gaining Air Corps interest the business expanded rapidly and during World War II, the AN-T-18 Basic Instrument Trainer, known to tens of thousands of fledgling pilots as the "Blue Box" (although it was painted ...
The interior of the Apollo PLSS Diagram of the A7L PLSS and OPS, with interfaces to the astronaut and the Lunar Module cabin. The portable life support system used in the Apollo lunar landing missions used lithium hydroxide to remove the carbon dioxide from the breathing air, and circulated water in an open loop through a liquid-cooled garment, expelling the water into space, where it turned ...
September 11 Terrorist Attacks in photos. Spectators look up as the World Trade Center goes up in flames September 11, 2001 in New York City after two airplanes slammed into the twin towers in an ...
The shadow mask is installed to the screen using metal pieces [348] or a rail or frame [349] [350] [351] that is fused to the funnel or the screen glass respectively, [256] holding the shadow mask in tension to minimize warping (if the mask is flat, used in flat-screen CRT computer monitors) and allowing for higher image brightness and contrast.