Corderisation: Difference between revisions
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However, the term [[Cordership]] refers specifically to a spaceship that is based on [[Conway's Game of Life|Life's]] [[switch engine]]s. Corderships necessarily move diagonally with speed c/12 and have period that is a multiple of 96. Corderships are named after [[Charles Corderman]], who discovered the switch engine in {{year|1971}}.<ref name="post125059" /> | However, the term [[Cordership]] refers specifically to a spaceship that is based on [[Conway's Game of Life|Life's]] [[switch engine]]s. Corderships necessarily move diagonally with speed c/12 and have period that is a multiple of 96. Corderships are named after [[Charles Corderman]], who discovered the switch engine in {{year|1971}}.<ref name="post125059" /> | ||
==Gallery== | |||
{{EmbedViewer | |||
|rle = x = 20, y = 37, rule = B3aikq4qw5ae6in/S2-in3-aky4i5jq6c | |||
bo$obo$bo4b2o2bo$7bo$10bo6bo$16b3o$16bob2o3$5bo$4b3o$3bo2bo$3b2o2bo$6b | |||
2o21$17bo$16b3o$16bob2o! | |||
|viewerconfig = #C [[ THEME Book THUMBSIZE 2 ZOOM 8 WIDTH 700 HEIGHT 600 X 14 Y -11 GPS 25 AUTOSTART T 0 PAUSE 1 T 216 PAUSE 3 LOOP 217 ]] | |||
|position = center | |||
|caption = In the [[Hensel notation|isotropic]] rule with rulestring {{nowrap|B3aikq4qw5ae6in/S2-in3-aky4i5jq6c}}, the spaceship shown at the top is a two-engine corderisation of the (6,4)c/36 puffer which is shown below it<ref name="post111825" /> | |||
|style = width:300px; | |||
}} | |||
==References== | ==References== | ||
<references> | <references> | ||
<ref name="post111825">{{LinkForumThread | |||
|format = ref | |||
|p = 111825 | |||
|title = Re: Miscellaneous Discoveries in Other Cellular Automata | |||
|author = iNoMed | |||
|date = November 21, 2020 | |||
}}</ref> | |||
<ref name="post125059">{{LinkForumThread | <ref name="post125059">{{LinkForumThread | ||
|format = ref | |format = ref | ||
Revision as of 22:23, 20 February 2023
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The term "corderisation" refers to stabilising a dirty puffer reaction, solely by using multiple copies of the reaction in different positions and phases.[1] The base reaction may be ultimately unstable on its own (like Corderman's switch engine), or it may be a working puffer on its own (for example, the pufferfish spaceship may be viewed as a corderisation of the pufferfish-based p36 block puffer).[1][2]
Spaceships that can be obtained by corderising an active reaction are a proper subcategory of engineered spaceships.[1][2]
However, the term Cordership refers specifically to a spaceship that is based on Life's switch engines. Corderships necessarily move diagonally with speed c/12 and have period that is a multiple of 96. Corderships are named after Charles Corderman, who discovered the switch engine in 1971.[3]
Gallery
| In the isotropic rule with rulestring B3aikq4qw5ae6in/S2-in3-aky4i5jq6c, the spaceship shown at the top is a two-engine corderisation of the (6,4)c/36 puffer which is shown below it[4] (click above to open LifeViewer) |
References
- ↑ 1.0 1.1 1.2 Mark Niemiec (February 20, 2023). Re: Thread for basic questions (discussion thread) at the ConwayLife.com forums
- ↑ 2.0 2.1 Dave Greene (February 20, 2023). Re: Thread for basic questions (discussion thread) at the ConwayLife.com forums
- ↑ MathAndCode (March 10, 2021). Re: SnakeLife (discussion thread) at the ConwayLife.com forums
- ↑ iNoMed (November 21, 2020). Re: Miscellaneous Discoveries in Other Cellular Automata (discussion thread) at the ConwayLife.com forums
External links
- yujh (July 27, 2022). Re: Thread for basic non-CGOL questions (discussion thread) at the ConwayLife.com forums -- several different general techniques for getting a spaceship from otherwise unstable engines