Einstein problem

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Notion

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Science and technology

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What Wikipedia says

In plane discrete geometry, the einstein problem asks about the existence of a single prototile that by itself forms an aperiodic set of prototiles; that is, a shape that can tessellate space but only in a nonperiodic way.

Excerpt from the Wikipedia article “Einstein problem”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: David Smith, Joseph Samuel Myers, Craig S. Kaplan, and Chaim Goodman-Strauss, 2023, CC BY-SA 4.0, via Wikimedia Commons.