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The Great Wall of China: 13,171 Miles
The Great Wall of China runs 13,170.7 miles yet is not a single line of stone, instead counting walls, trenches, and natural barriers.
Short, true stories about engineering, history, science, places, nature and incredible events. Each one takes 3–5 minutes to read.
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Empire State Building: A Skyscraper Rises in 410 Days
The Empire State Building rose in 410 days during the Great Depression, ahead of schedule, and remained the…
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Taisun: 22,193-ton Crane Record
Taisun lifted a record 22,193 tons making it the heaviest load ever lifted by a crane at Yantai…
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Big Muskie: The 13,500-Ton Walking Dragline
Big Muskie weighed 13,500 tons and was the largest dragline ever built, grabbing 325 tons of earth in…
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USS Gerald R. Ford: Displaces Over 100,000 Tons
USS Gerald R. Ford, the largest warship afloat, displaces over 100,000 tons yet needs about 700 fewer people…
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Soviet Akula Class: Largest Submarine Ever Built
The Soviet Akula class displaces 48,000 tons underwater and features a swimming pool and sauna for its crew…
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Saturn V: The 2,900-ton Rocket That Sent Crews to the Moon
Saturn V stood 363 feet tall and weighed 2,900 tons. From 1967 to 1973 it flew 13 times…
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A Herd in Orbit: Seven People Live Aboard a 420-ton Lab
Seven people live aboard the 420-ton International Space Station that circles Earth every 90 minutes at 17,500 mph.
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Ever Given: 1,300-Foot Ship Blocks Suez Canal
Ever Given, a 1,300-foot ship, blocked the Suez Canal for six days in 2021, halting trade worth $9.6…
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Itaipu Dam: Supplies 14,000 Megawatts
Itaipu Dam supplies 14,000 megawatts split across 50 hertz for Paraguay and 60 hertz for Brazil, producing a…
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