{"id":238744,"date":"2024-07-02T04:50:40","date_gmt":"2024-07-02T04:50:40","guid":{"rendered":"https:\/\/michigandigitalnews.com\/index.php\/2024\/07\/02\/incredibly-complex-mazes-discovered-in-structure-of-bizarre-crystals\/"},"modified":"2025-06-25T17:15:42","modified_gmt":"2025-06-25T17:15:42","slug":"incredibly-complex-mazes-discovered-in-structure-of-bizarre-crystals","status":"publish","type":"post","link":"https:\/\/michigandigitalnews.com\/index.php\/2024\/07\/02\/incredibly-complex-mazes-discovered-in-structure-of-bizarre-crystals\/","title":{"rendered":"Incredibly complex mazes discovered in structure of bizarre crystals"},"content":{"rendered":"

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Can you find you way out from the red centre of the maze? Scroll down for the solution<\/p>\n

University of Bristol<\/p>\n<\/div>\n<\/figcaption><\/figure>\n<\/p>\n

An algorithm designed to find the most efficient path from atom to atom in a bizarre kind of crystal turns out to produce incredibly intricate mazes. As well as making mazes, the technique could help speed up certain industrial chemical reactions.<\/p>\n

The crystals in question are called quasicrystals because, while their atoms are arranged in repeating forms like an ordinary crystal, they display more complex and unpredictable forms of symmetry. Such crystals have been synthesised in the laboratory<\/a> and were even created by the first detonation of a nuclear weapon in 1945, but only one natural source has ever been found<\/a>: a meteorite discovered in Russia in 1985.<\/p>\n

\u201cQuasicrystals have all these symmetries that couldn\u2019t possibly exist in [normal] crystals, which is kind of a fascinating thing,\u201d says Felix Flicker<\/a> at the University of Bristol, UK. \u201cIt\u2019s this very beautiful area of maths, but one where people can kind of appreciate the beauty of it kind of directly, without necessarily needing to know the details.\u201d<\/p>\n

Flicker and his colleagues have developed an algorithm to quickly create a route that touches every atom in a quasicrystal once, and only once. The diagrams of these routes form beautiful maze-like structures.<\/p>\n

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Creating such a route is what\u2019s known as an NP-complete problem in computer science, one which becomes exponentially more complex as the number of atoms increases. These problems can quickly become virtually impossible to calculate at large scales, but the researchers found that for some quasicrystals the problem is unexpectedly simple.<\/p>\n

\u201cThat was very surprising because that problem in general is known to be essentially impossible to solve, and there didn\u2019t seem to be any obvious simplification provided by these quasi crystals because they don\u2019t have translational symmetries,\u201d says Flicker.\u201d<\/p>\n

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A solution to the maze, marked out in red<\/p>\n

University of Bristol<\/p>\n<\/div>\n<\/figcaption><\/figure>\n<\/p>\n

Flicker says that being able to develop such a route could have practical applications in a lab method known as scanning tunnelling microscopy, where an ultra-sharp tip is steered over a material to sense atoms one by one and build up an image at the atomic level. Some complex images, such as those of quasicrystals themselves, can take up to a month to create; but if a more efficient route that takes in each atom can be found then this could be cut in half, says Flicker.<\/p>\n

He also believes that it could be used to create crystalline catalysts for industrial chemical processes that are more efficient than current methods, and therefore speed up or reduce the costs of making certain compounds. But Flicker thinks other uses could become apparent over time: \u201cWe\u2019re hoping the most interesting applications are things that we haven\u2019t thought of.\u201d<\/p>\n

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Physical Review X <\/i>
\n DOI: in press\n <\/p>\n<\/div><\/div>\n

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