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 Zambonis Work
What Countries Use the Imperial System?
Science and Nature: Fractals
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10 Crazy Uses for Completely Frictionless Surfaces
Your Thoughts Could Activate a Tiny Robot Inside Your Own Brain
How Star Wars Works: Fan-built Droids
Robot Pictures
Learn More / Page 3
The Panama Canal has been one of the world's biggest engineering feats since it was built nearly by hand in the 1900s.
By John Donovan
In 17th century Japan, wealthy citizens built homes with "nightingale floors" that squeaked, warning them of intruders. In fact, the floors squeaked louder when the steps got lighter.
Sometimes it seems as though Earth has been hitting the caffeine a little too hard, with all the shakes from earthquakes. So, how do structures stand strong amid all those quakes?
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The Bay Bridge is a wonder of structural engineering. Find out how multiple architectural styles were incorporated into the bridge that unites Oakland with San Francisco.
A soft-story building has a first floor that's more flexible than the ones above -- think apartments over a department store that's mostly open space. How does soft-story retrofitting keep such buildings from collapsing in a quake?
Steel is getting more expensive because the prices of iron and coal are rising. Are there alternatives to steel that can do the same job -- or better -- for less?
If you think regular old domes took the world of structural engineering by storm, you should meet their geodesic cousins. What is a geodesic dome, and who first came up with the idea of building triangle-covered spheres as practical structures?
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Bridges span the gap and help us get from point A to B, but who knew they could float, too? Find out what the deal is with floating bridges in this article.
Jenga seems like such a simple game -- all you have to do is keep a tower of wooden blocks from toppling over. It may be simple, but it's anchored by several complex structural engineering concepts.
By Dave Roos
Playing with Lego blocks isn't just child's play. In fact, these blocks and products present a hands-on opportunity to learn the basics of structural engineering.
You may see most bridges as those things you cross on your way to somewhere else, but where would you be if one collapsed? We've figured out 10 reasons why the worst happens.
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The World Trade Center employed several new approaches to skyscraper construction. From slurry walls to sky lobbies to "tube within a tube" design features, what made this project distinctive from an architectural engineering standpoint?
The materials used to build the World Trade Center's twin towers have been heavily scrutinized since the 9/11 terrorist attacks -- including the steel that formed the frames of the skyscrapers.
It's been compared Jerusalem's Wailing Wall. What purpose did the slurry wall serve the World Trade Center, and what is its significance now?
It's always been a dilemma for humans: how to move that super-heavy object to a new place. But we always seem to find a way, don't we?
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These African American men and women were trailblazers, and in some cases, business leaders in the field of engineering.
A national tragedy in Japan was the catalyst for the construction of the world's longest suspension bridge. But it took 40 years to build, and required inventing new technologies along the way to make it happen. Do you know its name?
In 1950, 60 pioneering American women formed the Society of Women Engineers to support and encourage each other in a field not very welcoming to them. Sixty years on, the fight continues, as women are still underrepresented in engineering.
By Julia Layton
When pyramids come to mind, most of us think of Egypt, but pyramids exist in many parts of the world. How were they constructed without earth-moving or heavy-lift machinery? And most of all, why were these amazing structures built?
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The world's first floating city is absolutely gigantic, fully loaded with amenities and necessities and could set sail in about three years. Find out what the Freedom Ship has in store for its lucky residents.
By Kevin Bonsor