"One can roll noncircular wheels over appropriate road surfaces. The most striking example of this is the fact that a can roll on a road that consists of linked catenaries (the catenaries are defined by y = - cosh x) ...(the ride is not smooth in the sense that the center does not move forward at a constant rate of rotation, but... the actual ride... feels quite smooth). This animation was inspired by an exhibit at San Francisco's ..."
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Original Language: English
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, Mathematica® in Action: Problem Solving Through Visualization and Computation (2010)
https://en.wikiquote.org/wiki/Catenary
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Catenary
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