Engineering

The London borough of Islington plans to harness the excess heat of the London Underground to hike up the heat to nearby homes and businesses.

By Tara Yarlagadda

The Louvre Pyramid was first received by the world in 1989 as an architectural joke, but 30 years later it's considered one of the world's most iconic design masterpieces.

By Carrie Whitney, Ph.D.

Many people worry that drones will invade their privacy, though experts say the fear is greater than the actual threat.

By Patrick J. Kiger

Started in 1882, this beautifully ornate church was the vision of architect Antoni Gaudí who conceived of it as a "forest in stone."

By Dave Roos

Bordeaux's famed and beautiful reflecting pool will have you snapping photographs and feeling like you're walking on water.

By Carrie Whitney, Ph.D.

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.

By Jesslyn Shields

The Japanese inventor's textured ground surface indicators to assist pedestrians at traffic crossings.

By Michelle Konstantinovsky

They keep our miles and miles of unruly cords untangled and out of the way. But how do they work?

By Patrick J. Kiger

A new robot ant uses the same technology desert ants use to safely, efficiently navigate through the searing Saharan sun.

By Jesslyn Shields

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?

By Nathan Chandler

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.

By Nathan Chandler

We humans may 'know it when we see it,' but the bots sure don't. At least not yet.

By Greg Fish

We may finally know how the ancient Egyptians built the pyramids.

By Laurie L. Dove

These days, you can do a lot more at a transit hub than simply catch a train or a bus.

By Patrick J. Kiger

Well, heck yeah, we can, and we have. Let's take a look.

By Robert Lamb

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.

By Laurie L. Dove

Stanley Kubrick's sci-fi masterpiece '2001: A Space Odyssey' premiered 50 years ago, and it got a lot of things right. But what about HAL? How close are we to those kinds of capabilities?

By Oisin Curran

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

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

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