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"The tetrahedron is very exciting visually," Silverman says. "It's very difficult to anticipate what you are going to see. Every step around a piece gives you a different view."
We're accustomed to thinking about orientation in space in terms of three perpendicular axes. A tetrahedron has no right angles. So,
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Until age 50, Silverman had been a highly successful surgeon, practicing medicine with considerable enthusiasm and skill. Then he encountered an ailing colleague near death,
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The encounter changed Silverman's life. He returned to interests that had captured his attention when he was a teenager. He had visited museums to gaze at statues, and he had tried his hand at carving wood. Later, when studying medicine at Tulane University, he had met a sculpture teacher who had invited him to classes and taught him to see,
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During these early explorations, Silverman had discovered the wonders of the tetrahedron, the form to which he returned with a passion many years later.
"When I first encountered tetrahedra,
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Over the years,
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