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Science  05 Feb 1999:
Vol. 283, Issue 5403, pp. 755
DOI: 10.1126/science.283.5403.755b

Eye in the sky. From measuring forest cover to tracking hurricanes and mapping Mars, remote sensing is a vital tool for studying our world and beyond. But just how are these colorful images created? Find out at the Remote Sensing Tutorial.

Price of fame. Their bank accounts may not show it, but some physicists seem to be rolling in dough. This page holds images of currencies on which physicists have appeared, including Copernicus (Polish 1000 zloty note) and the Curies (French 500 franc). See also the link to physicists on stamps.∼redish/Money

Fun and games. Nifty interactive demos have made the University of Minnesota's Geometry Center a favorite math Web site. Now a spin-off company has launched Science U, an educational site with a solar system simulator, a plant and flower library, and, of course, geometry games such as the Triangle Tiler and Tetrahedral Puzzles.

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