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Published on Dec 3, 2008
One of Chuck Hoberman's best-known museum pieces, the original Hoberman Sphere was installed in 1992 as the central exhibit in the Liberty Science Center's atrium. The sphere was re-installed in 2007 in the newly renovated museum's entry hall. Suspended by cables, the 700-pound aluminum sphere expands and contracts smoothly and continuously. Throughout its long history, the sphere has become the icon for Liberty Science Center, logging millions of cycles.