Platonic solids and the classical elements. Regular polyhedrons and assignments to the elements, as shown by Kepler in 1596. He named the fifth element universe, also known as aether or quintessence.

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Suppose we have twenty balls of equal size and stack them up to make a pyramid. The "pyramid" here is actually a regular tetrahedron; its base is an equilateral triangle composed of ten balls closely ...

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Young minds of BTE Architecture pull off an iconic pyramidal structure for the Loch Lomond and The National Park with subtle design that bridges nature and architecture… Located on a peninsula ...