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Conspicuous Construction"The things we're doing differ only in magnitude." says Henry Petroski, a professor of history and civil engineering at Duke University and the author of To Engineer Is Human. But new technology always ups the magnitude ante. Italy plans to shatter the suspension-bridge record, held by Japan's Akashi Kaikyo Bridge, with a nearly 2-mile span. Taiwan finished the world's tallest building in 2003 -- and Dubai announced a scheme to surpass it by hundreds of feet. Building higher and farther requires an enormous, conspicuous marshaling of resources. Extreme engineering projects -- real and s
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