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Structural Engineering

Buildings and structures take careful planning in order to ensure that they don't collapse or fail in any way. Structural engineers analyze and study the way in which buildings support loads.

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How Roller Coasters Work

They don't have engines, brakes or accelerators. No, these amazing machines rely on physical, centripetal and gravitational forces to urge thrills, screams and that sinking stomach feeling we all love (and hate). Read more about the science of fun.

How Tunnels Work

A tunnel can be simply defined as a tube hollowed through soil or stone, but actually constructing a tunnel is a challenge. Find out how tunnels are built.

What is a levee?

Whether they make you think of Hurricane Katrina or Led Zeppelin, levees are a critical safety feature for low-lying areas located near water. Why do they break?

How the World Trade Center Worked

The twin towers of the World Trade Center were true originals -- their history is one of innovation, persistence and grand ideas.

How Water Slides Work

It's a leap of faith onto a curvy steep wet chute... Discover how water slides work and what draws thrill-seekers to them.

How Wave Pools Work

When the heat sets in, there's nothing like a day at the water park to cool things down -- water parks and their massive wave pools are a huge weekend attraction. Ever wonder what kind of machinery it takes to produce a wave? Learn exactly how an oce

What Is the Tallest Building in the World?

Please settle an argument I'm having with my dad. He says the tallest building in the world is the Sears Tower in Chicago, IL. I think there's one that's taller. Is there?

How Building Implosions Work

Safe, professional building implosions combine mathematics, intuition and sheer explosive power. Find out how the experts bring down huge structures without damaging the buildings nearby.

How Skyscrapers Work

People build skyscrapers primarily because they are convenient -- you can create a lot of real estate out of a relatively small ground area. They're also awe-inspiring. Skyscrapers capture our imagination -- how high can we build them? Learn about the architecture and design of these monumental buildings.

How Smart Structures Will Work

Smart Structures will completely change the way buildings react to earthquakes! See how they will work!

How can you measure the height of a tall tower?

Is there an easy way to measure the height of a cell phone tower in my neighborhood?

How did public fountains, like those in Rome, work without any type of motor to pump the water?

Rome is famous for having large public fountains that work without the use of any kind of mechanized pump. How were these fountains able to generate enough water pressure without a motor? Check out this article for the answer to this question.

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