Catalog
Global Climate Change: Convergence of Disciplines
Arnold J. Bloom
Web Topic 10.1 Magic Trick
The United States government awarded Horace Goldin patent number 1,458,575 on June 12, 1923, for his apparatus used for sawing a person in half. Once the patent became public, however, everyone learned how the magic trick worked, interest waned, and the value of the invention declined. (See the original patent here.)
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