Underwater tunnels are so commonplace that we rarely think of the great dangers -- and extreme construction techniques -- these modern wonders require. With the opening of the Marmaray Tunnel in October 2013, it's time to take a second look.
You know the story: Lowly intern at huge company climbs the ladder to become its CEO. Or maybe you don't because it never really happens. But it did for one Ursula Burns. Meet her and nine other black engineers who have blazed an amazing trail.
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.
A national tragedy in Japan was the catalyst for 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?
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?
You might consider it a feat of strength when you haul a particularly weighty and cumbersome armful of groceries into the house, but that's a drop in the bucket compared to the dramatically heavy loads these powerhouses can handle.
The World Trade Center employed several new approaches to skyscraper construction. From slurry walls to sky lobbies to "tube within a tube" design features, what made this project distinctive from an architectural engineering standpoint?