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Aviation
Aviation engineering is the science of making planes and other airborne machines. Learn about topics from hypersonic planes to hot air balloons and explore the future of travel, including personal air vehicles. See more »
what's inside: engineering
Engineering is the discipline of design and construction of mechanical devices, equipment, structures and public works systems. Topics include aircraft technologies, buildings, bridges, robotics and heavy machinery.
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Buildings & Structures
Engineers, architects, scientists and others are always striving for better, stronger buildings and structures. Learn more about subjects like skyscrapers, intelligent highways and floating cities. See more »
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Devices
Ever wondered how that thing works? Explore the inner workings of many common devices and inventions, as well as those that aren't so common, such as compasses, gyroscopes and bug zappers. See more »
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Internal Combustion
Have you ever wondered how an engine or generator works? Explore various engine and generator systems in this section. See more »
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Materials Science
Explore how the use of natural and manmade materials further technology. Read articles on subjects such as nanotechnology, iron steel and reverse osmosis. See more »
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Robotics
Robotics is the science of creating artificial intelligence. From the simplest of automated machines to the most complex “real” transformers, robots are more ubiquitious than you might imagine. See more »
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Transportation Infrastructure
As populations swell, the movement of people and goods from one locale to another can have major impact on economics. Learn about roads, bridges and highway systems and the technology behind them. See more »
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Vehicles & Equipment
Machines and heavy equipment do the work that people can't. Learn about cranes, earth movers and other heavy equipment. See more »
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featured articles
What if I were on a roller coaster and the safety harness broke?
Roller coasters are getting bigger and bigger, and scarier and scarier. What would happen to you if your safety harness broke on one of these giant, speedy rides? Maybe nothing.
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videos: engineering
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How Hypersonic Planes Work
Higher, farther, faster: NASA's X-43A plane is destined to set new speed records. What sets the X-43A apart from other rocket-powered aircraft is that it is powered by a scramjet engine. Learn all about it.
How Personal Air Vehicles Work
Move over Orville and Wilbur, there�s a new flying machine in town! And this time it�s made for personal use. Imagine a flying version of the Segway and you�re on the right track . . . Check out the Springtail EFV-4B, not yet available but perhaps just around the corner . . .
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