Structural Engineering

Water towers can be found in just about every town and city in America. Have you ever wondered if they freeze in the winter?

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.

ByLaurie L. Dove

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

ByLaurie L. Dove

Underground mining has come a long way from the days of men with pickaxes and canaries. It relies much more heavily on machinery that makes it much safer than in the past. Which techniques are used in mining today?

ByJulia Layton

These African American men and women were trailblazers, and in some cases, business leaders in the field of engineering.

ByKate Kershner

日本的民族悲剧的催化剂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?

ByLaurie L. Dove

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.

ByJulia 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?

ByCraig Freudenrich, Ph.D.

Is there an easy way to measure the height of a cell phone tower in my neighborhood?

Whether they make you think of Hurricane Katrina or Led Zeppelin, levees are a critical safety feature for low-lying areas located near water. Why do they break?

ByMarshall Brain&Robert Lamb

Safe, professional building implosions combine mathematics, intuition and sheer explosive power. Find out how the experts bring down huge structures without damaging the buildings nearby.

ByTom Harris

When the heat sets in, there's nothing like a day at the water park to cool things down -- water parks and their massive wave pools are a huge weekend attraction. Ever wonder what kind of machinery it takes to produce a wave? Learn exactly how an oce

ByTom Harris

It's a leap of faith onto a curvy steep wet chute... Discover how water slides work and what draws thrill-seekers to them.

ByTom Harris

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?

ByPatrick J. Kiger

When it came to building or improving things, the ancient Romans really knew their stuff. Which cool engineering tricks did they pass along to us?

ByGallagher Flinn

Pisa without its precariously tilted landmark is like San Francisco without the Golden Gate or London without Buckingham Palace. Will the peculiarly enduring tower ever vanish from the Italian skyline?

ByWilliam Harris

Uncover the impact of the Bessemer process, which revolutionized steel production and shaped modern society.

ByDesiree Bowie

SCIFs are spy-proof, highly secure facilities designed for viewing and working with sensitive national security secrets. We talk to a former general counsel for the NSA to find out how they work.

ByPatrick J. Kiger

Crinkle crankle walls undulate, mimicking the shape of a snake's slither. But what's the purpose of these wavy walls?

ByJennifer Walker-Journey

In the last few decades, there's been a sort of arms race to build ever-taller skyscrapers. Which seven currently rank as the world's tallest buildings?

ByAlia Hoyt