List of Generations rules: Difference between revisions
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Neocaridina (talk | contribs) Most of the rules described do not have their own page so it's hard to find exact information about them. Tag: Replaced |
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Also called BB, or simply Brain, this is unquestionably one of the best known and most beautiful CA rules. If we name the possible cell values based on a simplistic neural analogy, viz. 0 = "ready", 1 = "firing", 2 = "refractory", then this simple rule can be stated thusly: Only a cell in the ready state may fire and it will only do so if exactly 2 of its neighbors are firing. After firing for one step, a cell spends a step in the refractory state before regaining readiness. | |||
Although the rule is relatively old, it has never been systematically explored. The rule is so lively that it's not easy to construct stable patterns in it. In December 1999, Michael Sweney discovered the first BB oscillators. | |||
=={{rl|Brain 6}}== | =={{rl|Brain 6}}== | ||
Revision as of 17:29, 21 December 2025
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| Brian's Brain | |
| View static image | |
| View animated image | |
| Rulestring | /2/3 B2/S/C3 B2/S/G3 |
|---|---|
| Character | Chaotic |
Also called BB, or simply Brain, this is unquestionably one of the best known and most beautiful CA rules. If we name the possible cell values based on a simplistic neural analogy, viz. 0 = "ready", 1 = "firing", 2 = "refractory", then this simple rule can be stated thusly: Only a cell in the ready state may fire and it will only do so if exactly 2 of its neighbors are firing. After firing for one step, a cell spends a step in the refractory state before regaining readiness. Although the rule is relatively old, it has never been systematically explored. The rule is so lively that it's not easy to construct stable patterns in it. In December 1999, Michael Sweney discovered the first BB oscillators.