Hat (disambiguation)
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Hat may refer to:
- Hat, a 9-cell still life.
- The aperiodic monotile discovered in March 2023. An aperiodic monotile (sometimes called an "einstein") is a shape that can tile the plane, but every such tiling is necessarily non-periodic.[1][2]
References
- ↑ "Aperiodic monotile". Complex Projective 4-Space.
- ↑ "An aperiodic monotile".