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Click on a title below to access the article. (The World & I issue that the article appeared in is found in parentheses.)

Ideas and Properties
Bar Codes: Bars and Stripes Forever (Aug 1992)
Bubbles: The Impact of Flow Cavitation (Jan 1991)
Pores: Vital Spaces (Jan 1989)
Vortices: Turn, Turn, Turn (Dec 1998)

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