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Science News
January 20, 2007
Ivars Peterson |
A Polyhedron with a Hole A polyhedron with seven faces, 14 vertexes, 21 edges, and a hole makes an intriguing lamp.   |
Science News
December 24, 2005
Ivars Peterson |
A Cabinet of Mathematical Curiosities New technologies have made it possible to create 3D models of geometric shapes, magically transforming equations into elegant, intriguing miniatures. |
Science News
July 26, 2003
Ivars Peterson |
Perfect Pyramids A group of tetrahedra that some people consider special consists of those that have integer edge lengths, face areas, and volumes. Such a solid is sometimes called a Heronian tetrahedron or a perfect pyramid. |
Science News
July 8, 2000
Ivars Peterson |
Mobius and his Band Discovered in a purely mathematical context, the Mobius strip is the best known of the various toys of topology. Since its discovery in the 19th century, it has also achieved a life of its own beyond mathematics---in magic, science, engineering, literature, music, and art... |
Science News
September 16, 2000
Ivars Peterson |
Plato's Molecule The Pythagoreans believed that the dodecahedron formed the "timbers" on which the spherical bulk of the heavens was built. This Platonic solid has been an object of fascination for millennia. Now, the dodecahedron is in the news again... |
Science News
April 22, 2006
Ivars Peterson |
Papercraft Polyhedra Drawing and constructing polyhedra is a pastime that goes back to the Renaissance and perhaps even earlier times |
Science News
January 13, 2007
Ivars Peterson |
Art of the Tetrahedron, Revisited A New Orleans sculptor and his tetrahedron-based artworks survived Hurricane Katrina. |
Science News
January 27, 2007
Ivars Peterson |
Knitting Network A skein of intriguing mathematical objects comes out of an evening devoted to knitting, crocheting, and other crafts. |
