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.
Engineer James Eads tamed the mighty Mississippi, turning New Orleans into the second largest port in the nation.
The impact of tuberculosis in America, once the deadliest killer in human history.
Postwar New York City and the global economic order told through the story of the World Trade Center.
The grave truth behind modern forensics was discovered in 1920s New York.
The story of the polio crusade pays tribute to a time when Americans banded together to conquer a terrible disease.
During World War II, more than a thousand women signed up to fly with the U.S. military as WASPS.
A uniquely impressionistic history of the early years of the Space Race.
A brilliant scientist, Oppenheimer was tasked with the development of the atomic bomb during World War II.