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

  1. ↑ "Aperiodic monotile". Complex Projective 4-Space.
  2. ↑ "An aperiodic monotile".

See also