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Planetary Science

Martian Invasion

If all goes according to plan, three spacecraft—one in December, two in January—will land on the Red Planet, looking for evidence that liquid water once flowed on its surface.

Tech

Craft Tech

The Craft Technology Group at the University of Colorado, Boulder, interweaves computation with craft materials both new and old. This Web site offers glimpses of innovative projects involving the use of software to design mechanical toys and paper sculptures, embedding computation and behavior in simple objects such as tacks and hinges, developing affordable three-dimensional printing, […]

Math

Geometreks

Strolling down a city street or along a country road can provide a geometrical feast for the eye—when the viewing is done from a mathematical perspective.