tetrahedron in A Sentence

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    Crystal Structure: Cubic- rhombic, Tetrahedron.

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    What happened over at Tetrahedron's in the early 90's?

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    Its vertex figure contains 4 tetrahedra, 2 octahedra, and 2 snub cubes.

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    Four atoms of hydrogen, the four points of the Tetrahedron, which means the little carbon atom.

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    Therefore, when working with a Tetrahedron, you can treat any of the triangles as the pyramid base when calculating its dimensions.

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    And if I were to poke all the three legs of this in the three vertices of this triangle, I would make a Tetrahedron.

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    Their construction is based on extending some basic principles to build simple“tensegrity” structures(Tetrahedron, octahedron, and the closest packing of spheres), making them lightweight and stable.

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    And finally, last weekend at the World Science Festival in New York City, our visitors actually constructed this giant Sierpinski Tetrahedron, based on the careful groundwork we had laid in our practice runs:.

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    When order-n tetrahedra built from Tn spheres are used as a unit, it can be shown that a space tiling with such units can achieve a densest sphere packing as long as n ≤ 4.

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    A substantial generalization of the Pythagorean theorem to three dimensions is de Gua's theorem, named for Jean Paul de Gua de Malves: If a Tetrahedron has a right angle corner(like a corner of a cube), then the square of the area of the face opposite the right angle corner is the sum of the squares of the areas of the other three faces.

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