单词 | icosahedron |
例句 | They are the dominant culture — and filmgoers who have never clutched a 20-sided icosahedron are subject to their throw of the dice. ‘Dungeons & Dragons: Honor Among Thieves’ Review: They’re on a Roll 2023-03-30T04:00:00Z The design, Mr. Lanier writes, looked “a little like a woman’s body. You could see the big dome as a pregnant belly and the two icosahedrons as breasts.” Soothsayer in the Hills Sees Silicon Valley’s Sinister Side 2017-11-08T05:00:00Z Continental Drift is Earth in miniature, mapped onto a truncated icosahedron — a soccer ball — with its regular patchwork of 12 pentagonal faces and 20 hexagonal faces. A New Puzzle Turns Earth Into a Rubik’s Cube, But More Complex 2023-01-01T05:00:00Z There, he can sit and admire it along with the rest of a collection that includes work from real artists, such as the 80-inch infinity light icosahedron sculpture by L.A.’s Anthony James. Baby blue Porsche in ‘Glass Onion’ is perfect wrong choice | Commentary 2022-12-05T05:00:00Z An icosahedron is a Platonic solid with a surface that consists of 20 equilateral triangles. Calculus, Volume 1 2016-03-30T00:00:00Z Many researchers initially questioned Shechtman’s findings, because it is mathematically impossible to fill space using only icosahedrons. First Nuclear Detonation Created ‘Impossible’ Quasicrystals 2021-05-18T04:00:00Z His aim is to manipulate them to improve the vector’s ability to deliver genes without, in essence, messing up the colour pattern on the Rubik’s Cube — or in this case, the icosahedron. Designer viruses could be the secret to cheaper and better gene therapy 2018-12-11T05:00:00Z The maximum number of molecules that can be evenly assembled on the surface of an icosahedron is 60, but the number found in viruses is always much larger. Aaron Klug (1926-2018) 2018-12-11T05:00:00Z These are the five convex polyhedra—tetrahedron, cube, octahedron, dodecahedron, and icosahedron—that are made of congruent regular polygons. Justin Curry's Favorite Theorem 2017-12-09T05:00:00Z By how much does the surface area of an icosahedron increase as the side length of each triangle doubles from a unit to 2a units? Calculus, Volume 1 2016-03-30T00:00:00Z We thank the reader who drew this to our attention and we agree that all instances of the word “icosahedron” should be changed to “dodecahedron”. Corrigendum: Design of a hyperstable 60-subunit protein icosahedron : Nature : Nature Research 2016-10-18T04:00:00Z “That’s not trivial on a cube, and it is certainly not trivial on an icosahedron.” Designer viruses could be the secret to cheaper and better gene therapy 2018-12-11T05:00:00Z This was done by inscribing triangles on the surfaces of an icosahedron, an idea borrowed from Buckminster Fuller. Aaron Klug (1926-2018) 2018-12-11T05:00:00Z The tetrahedron, octahedron, and icosahedron are made of four, eight, and twenty, respectively, equilateral triangles, the cube of six squares, and the dodecahedron of twelve regular pentagons. Justin Curry's Favorite Theorem 2017-12-09T05:00:00Z The Florence specimen exhibited the symmetries of an icosahedron, a soccer-ball-like atomic arrangement that can be viewed from 60 different angles without any change to the structure’s overall orientation. In a Grain, a Glimpse of the Cosmos 2014-06-18T04:00:00Z In particular Plato tells us that they asserted that the four elements of the real world were the tetrahedron, octahedron, icosahedron, and cube, and Plutarch ascribes this doctrine to Pythagoras himself. The Teaching of Geometry 2011-10-12T02:00:52.133Z Pythagorean geometry was essentially a geometry of areas and solids; its goal was the regular solids—the tetrahedron, cube, octahedron, dodecahedron and icosahedron—which symbolized the five elements of Greek cosmology. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Within the Earth’s orbit inscribe an icosahedron; the sphere inscribed in it will be Venus’s orbit. The Astronomy of Milton's 'Paradise Lost' The cube is dual to the octahedron, the dodecahedron to the icosahedron, and the tetrahedron to itself. Justin Curry's Favorite Theorem 2017-12-09T05:00:00Z Then inscribe in the Earth an icosahedron; the circle described in it will be Venus. The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler The icosahedron is another of the five regular, or Platonic, bodies having all their sides, angles, and planes similar and equal. Amusements in Mathematics These give the solid angles of the tetrahedron, the octahedron and the icosahedron. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Two of these generate the cube and the octahedron; five of these generate the dodecahedron and the icosahedron. Occult Chemistry Clairvoyant Observations on the Chemical Elements The dodecahedron and icosahedron, having more faces, yield more intricate patterns, and there is no limit to the variety of interesting designs obtainable by these direct and simple means. Architecture and Democracy Now, inscribe in the earth an icosahedron, the sphere inscribed in it will be Venus: inscribe an octahedron in Venus: the circle inscribed in it will be Mercury.” Kepler If you cut out a piece of cardboard of the form shown in the smaller diagram, and cut half through along the dotted lines, it will fold up and form a perfect icosahedron. Amusements in Mathematics The icosahedron, with 20 triangular faces, 5 at each of the 12 vertices. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Thus we have a regular sequence of the platonic solids, and the question suggests itself, will further evolution develop elements shaped to the dodecahedron and the icosahedron? Occult Chemistry Clairvoyant Observations on the Chemical Elements Platonic bodies; cube, rhomboid; tetrahedron, pentahedron, hexahedron, octahedron, dodecahedron, icosahedron, eicosahedron; prism, pyramid; parallelopiped; curb roof, gambrel roof, mansard roof. Roget's Thesaurus of English Words and Phrases The third solid is a regular icosahedron, having twenty triangular equilateral bases, and therefore 120 rectangular scalene triangles. Timaeus According to Plato earth was composed of cubes, fire of regular pyramids, air of regular octahedrons, water of regular icosahedrons. Timaeus |
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