Combining art with mathematics and engineering, Chuck Hoberman has designed unfolding structures--objects that can expand from very small to very large. His work, including a five-story moving sculpture at the California Science Center in Los Angeles, is featured at a number of museums.

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"Prototype Online: Inventive Voices" is a production of the Smithsonian's Lemelson Center. Written and hosted by Paul Rosenthal. Audio production by Benjamin Bloom. Theme music by Will Eastman. Art Molella, executive producer. Chuck Hoberman was originally interviewed on 8 May 1996 by Washington, D.C. area middle school students. This podcast released 5 October 2006.