Professor
| Professor | |||||||||
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| Pattern type | Strict still life | ||||||||
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| Number of cells | 46 | ||||||||
| Bounding box | 9 × 11 | ||||||||
| Discovered by | Adam P. Goucher | ||||||||
| Year of discovery | 2016 | ||||||||
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Professor is a 46-bit still life consisting of two large islands (resembling a long4 clips) partially stabilizing each other and further stabilized by two blocks acting as induction coils.
The cis-mirrored variant of this still life occurred naturally from an asymmetric soup on July 9, 2016,[1] in a haul submitted to Catagolue by Adam P. Goucher. It was formerly the largest still life to appear naturally, until its title was taken in August by the 56-cell cloverleaf interchange. Additionally, an inflected version of professor which also has 46 cells appeared naturally in February 2019.[2]
A 8-glider synthesis of the professor was found in June 2023,[3] improving over a 9-glider synthesis found several years earlier.
Variants
A number of variants are possible, depending on the alignment of the two halves and the position of the blocks:
| A collection of various professor isomers (click above to open LifeViewer) RLE: here Plaintext: here |
See also
References
- ↑ gmc_nxtman (July 9, 2016). Re: Soup search results (discussion thread) at the ConwayLife.com forums
- ↑ alphazelf (February 7, 2019). Re: Soup search results (discussion thread) at the ConwayLife.com forums
- ↑ shinjuku (#4404830724) (June 2, 2023). Job triggered by Adam P. Goucher at GitLab Catagolue project.
External links
- Patterns
- Periodic objects with minimum population 46
- Patterns with 46 cells
- Patterns found by Adam P. Goucher
- Patterns found in 2016
- Patterns that can be constructed with 8 gliders
- Still lifes
- Strict still lifes
- Strict still lifes with 46 cells
- Patterns with bilateral orthogonal symmetry
- Natural periodic objects