This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...
This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...
Until today, scientists only knew of three classes of 3 dimensional solids. Now they’ve got a fourth. This new flavor of shapes are called Goldberg polyhedrons, and they are the first new class of ...
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