IMAGES: Scope This Out

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Science  08 Apr 2005:
Vol. 308, Issue 5719, pp. 173
DOI: 10.1126/science.308.5719.173b

Many beginning students never get closer to an electron microscope than the photos in their textbooks. But anyone can get a sense of what the instrument can do by downloading this simulator from NASA's Kennedy Space Center. The free Java program allows users to pan, zoom, and use the built-in ruler to measure a beetle's leg, crystals from a human kidney stone, and other objects. The virtual lab plans to add more images and instruments, such as a light microscope, says project leader Berta Alfonso.

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