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PBS
Pbs Learning Media: Triangles: Testing the Strength of a Gumdrop Dome
Can a dome made of gumdrops and toothpicks support the weight of a stack of books? To find out, watch this video segment adapted from ZOOM. [2:31]
PBS
Pbs Learning Media: Designing the Citigroup Skyscraper
This video segment adapted from the PBS series "Building Big" shows how a structural engineer overcame the challenges of building New York's Citigroup skyscraper over a church by using triangles to add muscle and stability to the...