Difference between revisions of "Spiral"
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|isorulemin = B/S2aek3cr | |isorulemin = B/S2aek3cr | ||
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Revision as of 16:48, 24 April 2019
| Spiral | |||||||||
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| Pattern type | Strict still life | ||||||||
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| Number of cells | 20 | ||||||||
| Bounding box | 7 × 7 | ||||||||
| Discovered by | Robert Wainwright | ||||||||
| Year of discovery | 1971 | ||||||||
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Spiral (or tub with four tails) is one of the two smallest still lifes with four-fold rotational (C4) symmetry. It consists of a tub and four tails. It was found by Robert Wainwright in 1971.[1]
See also
References
- ↑ Robert Wainwright (June 1971). Lifeline, vol 2.
External links
- Spiral at the Life Lexicon
- Twenty-Bit Life Objects at Mark D. Niemiec's Life Page