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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Bridges are some of the most awesome and breathtaking constructions, both from a visual standpoint and from an engineering standpoint. They provide such a stark contrast with nature suspended over huge bodies of water and almost appearing to defy gravity.

By Talon Homer

When you think of the imposing stature of pyramids, you might picture the Great Pyramid of Giza. But the Egypt-based structure is by no means the only impressive pyramid in the world.

By Yara Simón

For the first time, Israeli researchers have developed a system that lets a human use brain waves to control nanobots in a cockroach. How could that help your health?

By Patrick J. Kiger

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Some "Star Wars" fans aren't content to just watch the movies. They have to bring the tech from the screen into the real world. Get the inside scoop on how creativity, ingenuity and dedication make fan-made droids come to life.

Why are blueprints blue and not some other color? There's a specific chemical process behind it, and its discovery has all the elements of a dark fairy tale.

By Laurie L. Dove

All eyes are trained on you at halftime as you make slow sweeps across the rink, leaving sparkling smooth ice in your lumbering wake. The fans cheer. You tip your head slightly in modest acknowledgement. This is the life of the Zamboni driver.

By Kate Kershner

One of the most travelled stretches of U.S. highway was designed by a woman who loved mathematics and wasn't interested in being a teacher. Who was she, and where is it?

By Terri Briseno

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How much do you know about architecture? How about architecture you can see through? The architects who designed these structures will blow you away with the buildings they created –- from glass.

By Sharita Sykes

Most of the world uses the metric system for everyday measurements, but only three countries in the world use the imperial system as their official system of measurement.

By William Harris & Sascha Bos

Steel-framed skyscrapers are common sights in any city skyline these days. But someone had to be the first to build up, up, up. Find out where this architectural standard was born.

By Wesley Fenlon

It took years to construct the 110-story World Trade Center towers and less than an hour to bring them down to rubble. What ultimately caused the towers to collapse on Sept. 11, 2001?

By Clint Pumphrey

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Fractals produce fascinating and intricate designs. Browse through this gallery featuring pictures of a variety of fractals like Mandelbrot and Julia sets and find out why nature is loaded with fractals.

By Holly Frey

An MRI scan is the best way to see inside the human body without cutting it open, but that may be little comfort to you when you're getting ready for the exam. Lying perfectly still on a tiny slab in a narrow hole, you might wonder what's happening to your body.

By Todd A. Gould, RT-(R)(MR)(ARRT) & Molly Edmonds

Once upon a time, food was used for one thing: eating. Today, it has a much more complicated role. And one of those roles might be serving as an upstart in the world of plastics.

By Jonathan Atteberry

Whether they’re adorable like ASIMO or creepy like the world's most lifelike androids, today's robots take on a range of shapes and sizes. But they're not all humanoid. This gallery also shows off a few that are inspired by the animal kingdom.

By HowStuffWorks.com Contributors

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Bridges move cars, trains, bikes and people, among other things. These 10 may even move your soul with their engineering ingenuity and beauty. So which 10 make the cut?

By William Harris

Have you ever passed by an abandoned warehouse or gas station and wondered why the government doesn't just tear it down? Well, it may be a brownfield.

By Echo Surina

Bridges are amazing displays of scientific engineering. This collection of pictures highlights some of the most spectacular structures ever created.

Hefting a sofa up a flight of stairs can take a lot of logistics. So what does moving thousand-ton buildings across cities -- or even oceans -- entail?

By Molly Edmonds & Laurie L. Dove

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I've noticed that the insides of road and subway tunnels are usually covered in ceramic tile. Is there any particular reason for this or is it simply convention?

Is there any rhyme or reason to how U.S. interstate highways are numbered?

I am entering a chemistry contest at my high school. The goal is to build the battery that produces the most watts for one minute. Our battery can't be bigger then 1 foot in any direction and can't use strong acids. What are the best chemicals to use, and what's the best design?

This postwar era architecture has a heavy, raw look, hence the name. But the designs are sensible and authoritative, and many Brutalist buildings are experiencing a revival.

By Carrie Whitney, Ph.D.

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EPCOT was Walt Disney's "Experimental Prototype Community of Tomorrow." But it didn't actually turn out the way he had envisioned it.

By Alex Krieger

The Arc de Triomphe is one of the most iconic and enduring symbols of the city of Paris, France. But why did Napoleon commission it?

By Carrie Whitney, Ph.D.