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 internationally famous carnival of delights in New York was the birthplace of the hot dog and the roller coaster.
The contradictory history of a dam that became a statement of American power and prestige.
The most daring and innovative accomplishment at the turn of the 20th century.
At the height of segregation, an unlikely alliance between a black medical genius and a white surgeon led to a pioneering medical breakthrough.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.
The international race to develop biological weapons during the 20th century.
The dramatic story of the streamliners is one of remarkable achievements and opportunities lost.