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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Castles and palaces may seem the same, in their grandiose architecture and palatial structure. But the two buildings were constructed by monarchs for different purposes.
Standing 1,428 feet tall and just 60 feet wide, Steinway Tower in New York City has earned the nickname, "The Coffee Stirrer."
Gothic architecture first appeared in France in the late Middle Ages. Some of the world's most stunning cathedrals were built using its key architectural elements.
By Lauren David
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Smart traffic lights monitor traffic and continuously adjust their timing to improve flow, and can even help disabled or elderly pedestrians navigate crosswalks. Could they be a solution to the problems of traffic stress and road rage?
Drinking fountains have faced a challenge from bottled water, but they seem to be making a comeback. By the way, we throw away over 60 million PET water bottles every day in the U.S. alone.
It's been some 15 years in the making and is still under construction. What's the real story behind the Jeddah Tower's delay?
By Dave Roos
The Hong Kong-Zhuhai-Macao Bridge is 34 miles (55 kilometers) long and connects the territories of Hong Kong and Macao to mainland China for the first time.
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Well, heck yeah, we can, and we have. Let's take a look.
By Robert Lamb
We may finally know how the ancient Egyptians built the pyramids.
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.
There's a mysterious tower in Texas that strongly resembles Nikola Tesla's Wardenclyffe Tower. Its constructors say they're testing some new forms of electromagnetic waves. But is something else going on?
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St. Basil's Cathedral in Moscow is an architectural oddball, but travel company RealRussia decided to imagine what it would look like in seven more conventional architectural styles.
They keep our miles and miles of unruly cords untangled and out of the way. But how do they work?
A new robot ant uses the same technology desert ants use to safely, efficiently navigate through the searing Saharan sun.
Famed composer Ludwig von Beethoven died leaving just a few notes for his 10th Symphony. More than 200 years later, scientists use artificial intelligence to finish the job.
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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
Welding isn't the only way to make metals, like the ones on your aviator shades, meet up. Brazing can do the trick, too, with a little heat, some filler and some capillary action.
This not-so-new material looks like a hologram and could play a valuable role in the future of insulation, electronics, oil spill cleanup and green energy. So why don't aerogels have the A-list name recognition they deserve?
Versatile and efficient, electroluminescent (EL) wire is widely used by artists to illuminate clothing, bicycle spokes, turntables and even cars. But how does this cool product work with so little power and without a visible energy source?
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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...
Roundabouts aren't all that complicated, but they're still relatively rare in the U.S., especially when compared with France.
There's more to replacing human riders than just using cool tech, as the advancement helps solve a serious human rights issue.
By Chris Opfer
The android known as FEDOR used pistols to display its decision making and dexterity, officials said, not as a preview of robot warfare.
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What do you do when you're out of land but want to expand an airport? Try building on water.
That is, if you're under the age of 25 and your hearing's intact.
By Julia Layton