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Kingda Ka redefines thrill rides with record-breaking speed and height.
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The Fastest Coaster in America
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Upstop wheels apply friction under the tracks to prevent roller coasters from derailing during zero-G drops and turns.
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Why Don't Roller Coasters Fly Off the Tracks?
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A hidden catapult launch system propels the 10-ton coaster up a 90-degree incline.
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How Kingda Ka Catapulted to the Title of World's Tallest Roller Coaster
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Kevlar's strands form hydrogen bonds that stick like glue.
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Why Kevlar is Stronger than Steel
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Special chemicals give even water what looks like magical properties.
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How Fiber Optic Cable Bends Light
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Using advanced robotics and 6,000 workers, Tesla's factory can produce 2,000 electric cars per week.
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Tesla Gives the Factory Assembly Line a 21st Century Upgrade
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The "Tortoise" was built by William Grey Walter in 1948 and used sensors for light and movement to form a simple nervous system.
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The World's First Decision-Making Robot
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How the ISS can help us explore and colonize the solar system.
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Interesting Facts About the International Space Station
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The US Navy's new coastal vessels use the latest technology to achieve amazing speed and agility.
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7 Facts about Littoral Combat Ships
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Instead of a propeller and a rudder, LCS ships use high-powered water jets for propulsion and maneuvering.
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Water Jet Engines Give Navy LCS Ships Incredible Maneuverability
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The new Littoral Combat Ships use a trimaran design for greater speed, agility, and stability.
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The USS Indepedence is the Navy's first high-performance trimaran combat ship
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Amazing statistics about the world's tallest free-standing tower.
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Five Amazing Facts About the Tokyo Skytree
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And it only cost $185 to build.
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This House was Built in Just 36 Hours
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Built in 1914, the Panama Canal couldn’t handle today’s modern ships. Get a feel for the scope of one of the largest modern infrastructure projects as engineers overhaul the Canal.
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The Epic Engineering of the Panama Canal Overhaul
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At the time, this machine was the most sophisticated submarine ever created.
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This Island is Hiding an Incredible Submarine Wreck
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Located in Cornwall, England, these biomes are home to many diverse climates and environments.
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These Domes Are Home to Multiple Ecosystems
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Orion’s ginormous solid rocket motor generates 3.6 million pounds of thrust! That’s the equivalent of 14 jumbo jets operating at maximum power.
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The Severn Bridge is one of Britain’s most iconic engineering marvels. Its key to combating high winds is its unique bridge deck shape.
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The tower is almost double the height of Chicago's Hancock Center -- but on a footprint 51% smaller.
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How the Tokyo Skytree Became the Tallest Free-Standing Tower in the World
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The Millau Viaduct is the tallest bridge on Earth. It measures 1,125 feet tall, 1.5 miles long, and the bridge deck sits nearly 900 feet above the ground.
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Polytetrafluoroethylene also known as PTFE is the non-stick coating used on pans. This demonstration shows how PTFE can help reduce friction.
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How Does PTFE Make Things Slippery?
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Oil dampers, modeled on the ones on NASA's launch towers, allow the Skytree to sway instead of collapse.
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The Tokyo Skytree Can Survive Earthquakes and Typhoons
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The Millau Viaduct was built over one of the deepest, widest, and windiest canyons in the world. The two ginormous bridge deck pieces were slid together and assembled like a giant jigsaw puzzle.
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Reusing spacecraft means landing them on the ground -- and using airbags to protect the crew on impact.
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The Bigelow Expandable Activity Module is small and light to launch, and then expands once in orbit.
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The Future of the Space Station is Inflatable
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Engineer Gustave Eiffel completely revolutionized bridges when he proposed an arch that sat underneath the bridge deck. The design was later a key part of his most famous creation, the Eiffel Tower.
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This is the Innovation that Changed Bridges Forever
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The stadium’s twin arches soar over 300 ft above the playing field. Together, they distribute 19 million pounds of thrust into four concrete abutments.
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When it was originally built, the Hoover Dam was the largest concrete structure in the world. It weighs 6.6 million tons and stands 700 ft tall. The biggest challenge engineers faced while building the dam was the extreme heat.
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