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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Researchers at Harvard University have developed a method of printing objects using the pressure of sound waves on even the most viscous liquids.

By Jerad W. Alexander

Plastic road materials-maker MacRebur is paving the way to a greener environment, using recycled waste to build roads.

By Patrick J. Kiger

Researchers in China have developed a non-toxic "smart" wallpaper that won't burn and triggers an alarm when it gets hot.

By Laurie L. Dove

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China's newest unmanned submersible isn't designed to be cute — it can go deeper underwater, stay under longer and maneuver more deftly than its predecessors.

By Patrick J. Kiger

With the Campaign to Stop Killer Robots heating up, we step back a few decades to look at the first human death by robot.

By Bryan Young

A massive solar-powered clock being constructed inside a mountain in Texas is designed to keep time for 10,000 years.

By Patrick J. Kiger

City workers have pulled 46 tons of the colorful beads from New Orleans' clogged catch basins, mostly from a five-block stretch along St. Charles Avenue.

By John Perritano

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Controversy surrounds the removal of public monuments honoring the U.S. Confederacy. But who or what determines which monuments go up or come down?

By Dave Roos

Defensive design is becoming increasingly important in cities around the world.

By Patrick J. Kiger

Cosmic rays sound like something out of sci-fi, but they're helping scientists unlock the secrets of one of the oldest human-made structures in the world.

By Jesslyn Shields

You might be surprised to learn that the twists and turns of streets in the suburbs date all the way to the Industrial Revolution.

By Adina Solomon

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Old books smell a lot like chocolate and coffee, thanks to certain chemical compounds.

By Shelley Danzy

Researchers want to make it easy for beginners and nonengineers to design a custom robot in minutes, then print and assemble the parts themselves.

By Patrick J. Kiger

Is honesty the best policy? New York subway delays have been couched in mystery for years, but the MTA is now dishing out hard truths about why trains are running behind.

By Jesslyn Shields

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The ancients were able to devise a mix for concrete that actually gets stronger over time thanks to chemical reactions. If only we could rediscover the recipe...

By Laurie L. Dove

A newly filed patent suggests that the famously stiff animatronics in Disney theme parks could get a lifelike upgrade.

By Laurie L. Dove

The android known as FEDOR used pistols to display its decision making and dexterity, officials said, not as a preview of robot warfare.

By Patrick J. Kiger

What is it about this state that makes it so dangerous for those on two feet? A few things, it turns out.

By Chris Opfer

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Baxter, a collaborative robot, even blushes when he messes up a task.

By Shelley Danzy

Anything you can do on the pingpong table, FOPRPHEUS can show you how to do better.

By Chris Opfer

Roundabouts aren't all that complicated, but they're still relatively rare in the U.S., especially when compared with France.

By Clint Pumphrey

New research delves into the impact of our immense technological footprint.

By Kate Kershner

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Chemical sensing devices are not just for detecting radon gas and carbon monoxide. They can be used in hospitals, airports, even on the battlefield.

By Meisa Salaita

We've taught the machines to make decisions, but we haven't been paying as much attention to how and why they're learning.

By Patrick J. Kiger