For most people, the word “polyhedron” conjures up an image of a cube, a tetrahedron, or something similar—a solid figure with flat faces. If the polyhedron is regular, each face has the same size and ...

Consider what happens when a vertex of one tetrahedron pierces the face of a second tetrahedron to form a new, more complicated polyhedron. In the resulting geometric form, one triangular face has a ...

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A State College-area high school student will return home from spring break with a major research prize under his belt.

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

I’ve always loved stargazing. As I write this in late June 2015, it’s rainy season here in Japan—but if the clouds ever part during the evening hours, you’re sure to catch twinkling Venus and nearby ...

Getting your Trinity Audio player ready... Clark Richert has long had a way of using art to model complex ideas about math and science. He’s been working out methods for employing line and color to ...