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...

This video segment adapted from "Building Big" outlines the step-by-step design process used by engineers. Includes background reading, discussion questions, and teaching tips. [4:50]

Want to see a structure that lets daylight in but keeps the cold wind out? This video will show you that structure, an igloo. See how a Inuit boy learns how to build a real igloo from his father. [2:54]

To engineer Mary Frecker of Pennsylvania State University, origami holds the future for designing tools that could be used in fields such as medicine and space exploration. [5:55]

Researchers at the state-of-the-art Structural Engineering and Materials Laboratory at the Georgia Institute of Technology are using a full-scale model building to test new ways to protect structures from earthquakes and potentially save...

Nate builds a giant swing for his son, Calvin, using the power of triangles. [4:36]

Have you ever built a slide out of cardboard? Watch as Nate engineers a playhouse for his son, Calvin. [5:23]

Do you know what an i-beam is? Watch as Nate explains this important building tool and demonstrates its use. [3:22]

When carbon fiber is added to concrete, it becomes an electricity conductor and a stress sensor, which may allow engineers to identify problems in a building's structure before anything is outwardly visible. [5:23]

"What if you were on a high floor of a skyscraper and the building started swaying?" This video looks at the designs of structures. Explore statics and dynamics, static equilibrium, forces, and torques, and how free body diagrams can...

Explore structural science as Ruff Ruffman uses his new service, called "Ask Ruff First" or "ARF, to build a topple-proof birdbath. [4:45]

Explore structural science as Ruff Ruffman uses his new service, called "Ask Ruff First" or "ARF, to entertain a bored hamster. [4:26]

Explore structural science as Ruff Ruffman uses his new service, called "Ask Ruff First" or "ARF, to find out if you can build a chair from a newspaper. [4:59]

Explore structural science as Ruff Ruffman uses his new service, called "Ask Ruff First" or "ARF, to help kids looking for a way to keep their mini-golf tower from tipping over in the wind. [5:00]