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Engineering disasters are recalled. Included: the sinking of SS Edmund Fitzgerald in 1975 in Lake Superior; two Boeing 737 crashes; and a diesel-fuel leak.

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Drilling and drill technology are explored. Included: tunnel-boring, robotic and laser drills.

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Visits maritime museums and shipwreck sites to probe the history of pirates. Examines the weapons and equipment they used and how they modified their ships for stealth and speed.

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A wind tunnel with forty foot diameter fans... a flight simulator that's eight stories high... a joy ride that makes Big Ben look small... a machine the pulls super film ten miles long on a two hundred pound reel... a mower that can cut your lawn in seconds... and a three hundred thousand pound rock eater.

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A history of copper examines its characteristics, how it is mined and its uses, particularly in the electronics industry. Included: copper in plumbing; and in roofs and sculptures. Also: a trip to a bell foundry.

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Explores the history of the freight train.

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Engineering disasters are recalled. Included: a 2005 explosion at a BP refinery in Texas City, Texas; the American Airlines flight 587 crash in 2001; the 1982 dioxin scare in Times Beach, Mo., where dioxin was found in oil used to keep down dust on the roads; and a 2005 fire at the Praxair plant in St. Louis.

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Christmas is observed by many people around the world, for both religious reasons and more secular purposes. Trees, lights, ornaments, and window displays are a big part of the celebration. Thanks to technological advancements they are cheaper, safer and more spectacular than ever before.

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