Epicycles
A system of epicycles can draw an arbitrary closed curve to a very good approximation
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“Straight lines” on the torus
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The state of a system with N degrees of freedom can be represented as a point in an N-dimensional space
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The 261 possible nets of a hypercube
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A parametrically defined surface.
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The solution to a topological riddle by Martin Gardner
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A set of tori on the surface of S³
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The 3D-net of a Hypercube
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