Rectangles, arches, and triangles are the most common shapes used to build big structures. What happens when you push the side of a rectangle? The rectangle is a wobbly, unstable shape.

These two Shape projects were created by middle school students for their computer science class at Tulare City Schools in California. Shapes by Jasmin B., Chayse H., Elissa V., & John F. introduces ...

When Adrian Bejan, a mechanical engineering professor from Duke University, visited the town of Benevento in southern Italy, ...

Rectangles, arches, and triangles are the most common shapes used to build big structures. What happens when you push the side of a rectangle? The rectangle is a wobbly, unstable shape.