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In geometry, a near-miss Johnson solid is a strictly convex polyhedron whose faces are close to being regular polygons but some or all of which are not precisely regular. Thus, it fails to meet the definition of a Johnson solid, a polyhedron whose faces are all regular, though it "can often be physically constructed without noticing the discrepancy" between its regular and irregular faces. [1]
In geometry, a pentahexagonal pyritoheptacontatetrahedron is a near-miss Johnson solid with pyritohedral symmetry. This near-miss was discovered by Mason Green in 2006. It has 6 hexagonal faces, 12 pentagonal faces, and 56 triangles in 3 symmetry positions. Mason calls it a hexagonally expanded snubbed dodecahedron. [1]
Topologically, as a near-miss Johnson solid, the four hexagons corresponding to the face planes of a tetrahedron are triambi, with equal edges but alternating angles, while the pentagons only have reflection symmetry.
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The Pentagon's latest report on UFOs has revealed hundreds of new instances of unidentified and unexplained aerial phenomena -- including a recent near miss involving a commercial plane and a ...
In geometry, the tetrated dodecahedron is a near-miss Johnson solid. It was first discovered in 2002 by Alex Doskey. It was first discovered in 2002 by Alex Doskey. It was then independently rediscovered in 2003, and named, by Robert Austin.
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Near miss (safety), an unplanned event that did not result in injury, illness, or damage - but had the potential to do so; Near-miss effect, a psychological effect in gambling; Near-Earth object, an asteroid or meteorite that barely misses the earth or another body; Near-miss Johnson solid, a type of geometric shape; Near Miss (band), an ...