Since 1937, the Golden Gate Bridge has stood through high winds, strong water currents, heavy traffic loads, and earthquake tremors. How did engineers design it to be structurally sound?
In a word: mathematics.
Here's your chance to explore a few suspension bridge building principles. Test engineering concepts, see their intricate math, and learn how they play out on the bridge today.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
The first around-the-world air race was sponsored to prove that the airplane had a commercial future.
Brothers Wilbur and Orville Wright built a flying machine that made its first flight in Kitty Hawk, North Carolina in 1903.
The historic journey of Apollo 8 captivated the world in 1968 -- a bright spot in a year marked by political assassinations, race riots, and the Vietnam War.
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.
Postwar New York City and the global economic order told through the story of the World Trade Center.
The dramatic story of the streamliners is one of remarkable achievements and opportunities lost.
The international race to develop biological weapons during the 20th century.