Difference between revisions of "Eater 4"
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{{Stilllife | {{Stilllife | ||
|name = Eater 4 | |name = Eater 4 | ||
|pname = eater4 | |pname = eater4 | ||
| | |type2 = eater | ||
|c = 40 | |c = 40 | ||
|bx = 14 | |bx = 14 | ||
Line 12: | Line 11: | ||
|rulemax = B378/S012345678 | |rulemax = B378/S012345678 | ||
|rulespecial = [[Conway's Game of Life|Conway Life]] | |rulespecial = [[Conway's Game of Life|Conway Life]] | ||
| | |isorulemin = B/S2-cn3knry | ||
| | |isorulemax = B2-ae34-antw5-kqry6-k78/S012345678 | ||
| | |synthesis = 14 | ||
|synthesisRLE = true | |||
|plaintext = true | |plaintext = true | ||
|rle = true | |rle = true | ||
|viewerconfig = #C [[ HEIGHT 480 WIDTH 480 THUMBSIZE 2 ]] | |viewerconfig = #C [[ HEIGHT 480 WIDTH 480 THUMBSIZE 2 ]] | ||
|apgcode = xs40_y2g8o6pb8oz0ggcaa9o74z320f9 | |||
}} | }} | ||
'''Eater 4''' is an [[eater]] that was found by [[ | '''Eater 4''' is an [[eater]] that was found by [[David Buckingham]] in {{year|1971}}, but was not recognized as an eater until 1975 or 1976. It can't eat [[glider]]s, but it can be used for various other purposes.{{which}} The four northeast-most center cells regrow in a few generations after being destroyed by taking a bite out of something. | ||
On January 7, {{year|2020}}, [[Jeremy Tan]] found a {{gliders|14}} [[synthesis]] of this still life.<ref name="post87094" /> | |||
==See also== | ==See also== | ||
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*[[Eater 3]] | *[[Eater 3]] | ||
*[[Eater 5]] | *[[Eater 5]] | ||
==References== | |||
<references> | |||
<ref name="post87094">{{LinkForumThread | |||
|format = ref | |||
|title = Re: Soup-based syntheses | |||
|p = 87094 | |||
|author = Jeremy Tan | |||
|date = January 7, 2020 | |||
}}</ref> | |||
</references> | |||
==External links== | ==External links== | ||
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{{LinkCatagolue|xs40_y2g8o6pb8oz0ggcaa9o74z320f9}} | {{LinkCatagolue|xs40_y2g8o6pb8oz0ggcaa9o74z320f9}} | ||
{{Symmetry|diagonal2}} | {{Symmetry|diagonal2}} | ||
{{seminatural}} |
Revision as of 11:07, 7 January 2020
Eater 4 | |||||||||
View static image | |||||||||
Pattern type | Strict still life Eater | ||||||||
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Number of cells | 40 | ||||||||
Bounding box | 14 × 14 | ||||||||
Discovered by | David Buckingham | ||||||||
Year of discovery | 1971 | ||||||||
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Eater 4 is an eater that was found by David Buckingham in 1971, but was not recognized as an eater until 1975 or 1976. It can't eat gliders, but it can be used for various other purposes.[which?] The four northeast-most center cells regrow in a few generations after being destroyed by taking a bite out of something.
On January 7, 2020, Jeremy Tan found a 14-glider synthesis of this still life.[1]
See also
References
- ↑ Jeremy Tan (January 7, 2020). Re: Soup-based syntheses (discussion thread) at the ConwayLife.com forums
External links
- Eater 4 at the Life Lexicon
Categories:
- Patterns
- Periodic objects with minimum population 40
- Patterns with 40 cells
- Patterns found by David Buckingham
- Patterns found in 1971
- Patterns that can be constructed with 14 gliders
- Still lifes
- Strict still lifes
- Strict still lifes with 40 cells
- Eaters
- Patterns with bilateral diagonal symmetry
- Semi-natural periodic objects