Example Sentences

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In geometry, he made key discoveries in the study of symmetries, sphere packings, lattices, polyhedra and tilings, including properties of quasi-periodic tilings as developed by Roger Penrose.

From Nature • May 22, 2020

I should note that while most mathematicians have agreed that the term Archimedean should refer only to the 13 polyhedra Archimedes listed, the ones that satisfy the global symmetry condition, there are dissenters.

From Scientific American • Mar. 31, 2018

His archives contain all sorts of investigations of possible packings and their properties, together with actual cardboard polyhedra, still ready to assemble:

From Scientific American • Oct. 25, 2017

He dipped into chemistry, thinking about it in terms of graphs, like those derived from polyhedra:

From Scientific American • Oct. 25, 2017

Penetrate the mass in idea, and you will see it composed of numberless irregular polyhedra bounded by surfaces of weak cohesion.

From Fragments of science, V. 1-2 by Tyndall, John