Brain: Difference between revisions
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}}{{for|the cellular automaton sometimes called Brain|OCA:Brian's Brain}} | }}{{for|the cellular automaton sometimes called Brain|OCA:Brian's Brain}} | ||
'''Brain''' is a [[c/3 orthogonal]] [[spaceship]] found by [[David Bell]] in May {{year|1992}}. It provides a weak [[spark]] at its back which can sometimes be used to perturb objects, such as a [[glider]]. | '''Brain''' is a [[c/3 orthogonal]] [[spaceship]] found by [[David Bell]] in May {{year|1992}}. It provides a weak [[spark]] at its back which can sometimes be used to perturb objects, such as a [[glider]]. | ||
{{EmbedViewer | {{EmbedViewer | ||
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|position = center | |position = center | ||
|caption = Brain perturbs a glider to produce a honey farm | |caption = Brain perturbs a glider to produce a honey farm | ||
|style = width:300px; | |||
}} | |||
== Construction == | |||
A {{gliders|99}} [[Glider synthesis|synthesis]] of Brain was found by [[Goldtiger997]] in November {{year|2022}},<ref name="post154110" /> solving a long-standing [[open problem]].<ref name="post22530" /> | |||
{{EmbedViewer | |||
|pname = brain99g2022synthesis | |||
|viewerconfig = #C [[ WIDTH 800 HEIGHT 800 THEME Book ZOOM 8 AUTOSTART GPS 30 T 0 PAUSE 1 T 60 PAUSE 5 T 174 PAUSE 1 T 246 PAUSE 1 T 306 PAUSE 1 T 314 PAUSE 1 T 348 PAUSE 1 T 366 PAUSE 1 T 400 PAUSE 1 T 540 PAUSE 1 T 570 PAUSE 2 LOOP 571 ]] | |||
|position = center | |||
|caption = The 99-glider synthesis of Brain<ref name="post154110" /> | |||
|style = width:300px; | |style = width:300px; | ||
}} | }} | ||
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==References== | ==References== | ||
<references> | <references> | ||
<ref name="post22530">{{LinkForumThread | |||
|format = ref | |||
|p = 22530 | |||
|title = Re: Thread For Synthesisable Spaceship Guns | |||
|author = gmc_nxtman | |||
|date = September 13, 2015 | |||
}}</ref> | |||
<ref name="post154110">{{LinkForumThread | <ref name="post154110">{{LinkForumThread | ||
|format = ref | |format = ref | ||
Revision as of 10:54, 26 November 2022
| Brain | |||||||||
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| View static image | |||||||||
| Pattern type | Spaceship | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Number of cells | 62 | ||||||||
| Bounding box | 17 × 11 | ||||||||
| Direction | Orthogonal | ||||||||
| Period | 3 (mod: 3) | ||||||||
| Speed | c/3 | c/3 | ||||||||
| Heat | 45.3 | ||||||||
| Kinetic symmetry | Unspecified | ||||||||
| Discovered by | David Bell | ||||||||
| Year of discovery | 1992 | ||||||||
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- For the cellular automaton sometimes called Brain, see OCA:Brian's Brain.
Brain is a c/3 orthogonal spaceship found by David Bell in May 1992. It provides a weak spark at its back which can sometimes be used to perturb objects, such as a glider.
| Brain perturbs a glider to produce a honey farm (click above to open LifeViewer) RLE: here Plaintext: here |
Construction
A 99-glider synthesis of Brain was found by Goldtiger997 in November 2022,[1] solving a long-standing open problem.[2]
| The 99-glider synthesis of Brain[1] (click above to open LifeViewer) RLE: here Plaintext: here |
See also
References
- ↑ 1.0 1.1 Goldtiger997 (November 25, 2022). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
- ↑ gmc_nxtman (September 13, 2015). Re: Thread For Synthesisable Spaceship Guns (discussion thread) at the ConwayLife.com forums
External links
- Brain at the Life Lexicon
- Brain at Adam P. Goucher's Catagolue
- 62P3H1V0.1 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Spaceships with 62 cells
- Periodic objects with minimum population 62
- Patterns with 62 cells
- Patterns found by David Bell
- Patterns found in 1992
- Patterns that can be constructed with between 90 and 99 gliders
- Spaceships
- Spaceships with period 3
- Orthogonal spaceships
- Spaceships with speed c/3
- Spaceships with unsimplified speed c/3
- Spaceships with heat 45
- Spaceships with mod 3
- Patterns with bilateral orthogonal symmetry