March 26, 1999

Students' Inventions Share Spotlight at the Smithsonian

Surrounded by artifacts like Henry Ford's Model T and the first Apple computer, groups of college students this month used the Smithsonian Institution's National Museum of American History as the setting for a showcase of their own inventions.

Among them were a robotic racquetball launcher (to help players practice returning serves), a device that can automatically water houseplants (for up to six weeks), and

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