The amplituhedron, a shape at the heart of particle physics, appears to be deeply connected to the mathematics of paper folding.

Choose a polygon, and reshape it by dragging the vertices to new locations. As the figure changes shape, the angle measures will automatically update. Animation: For triangles and quadrilaterals, you ...

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Cameron Norrie will be thanking his lucky stars after receiving a slice of good fortune without even playing at the Shanghai Masters. Norrie was handed a tough draw at the Shanghai Masters, but it’s ...

This file provides functions and modules that construct shapes from a list of cross sections. In the case of skin() you specify each cross sectional shape yourself, and the number of points can vary.