Glider loop: Difference between revisions
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'''Glider loop''' (or simply '''loop''') is a [[pattern]] in which two [[glider]]s are bounced back and forth between two ever-retreating [[7-engine Cordership]]s. This same glider-bouncing reaction can be seen in [[sawtooth 362]].<ref>[[Alan Hensel]]'s [http://www.ibiblio.org/lifepatterns/ lifep.zip pattern collection].</ref> | '''Glider loop''' (or simply '''loop''') is a [[pattern]] in which two [[glider]]s are bounced back and forth between two ever-retreating [[7-engine Cordership]]s. This same glider-bouncing reaction can be seen in [[sawtooth 362]].<ref>[[Alan Hensel]]'s [http://www.ibiblio.org/lifepatterns/ lifep.zip pattern collection].</ref> | ||
As [[gmc_nxtman]] points out in January 2018, a [[2-engine Cordership]] can reflect a glider 180 degrees while preserving its mod-4 timing.<ref name="post54583" /> | |||
This leads to an updated version of glider loop: | |||
{{EmbedViewer | |||
|rle = 12bo$12bo5b3o$11bobo3b2o2bo$12bo3bo5bo$12bo3bo$17bo2b2o$18b2o11b2o$31b | |||
2o7$b3o35b2o$b3o21bo13b2o$2bo12b2o9b2o$3b2o9bob3o8b2o$4bo9bo3bo10bo$3b | |||
o11b2obo5b5o$16bo10bo3$b2o$b2o$2bo$2bo$bobo$o$bo2b2o$2bo3bo$4b2o$4bo7$ | |||
6b2o$6b2o$19bo$19b3o$20b2o$20bo$21bo$18b3obo$17bobob2o$18bobo31$46bobo | |||
$44b2obobo$44bob3o$45bo$46bo$45b2o$45b3o$47bo$59b2o$59b2o7$62bo$61b2o$ | |||
60bo3bo$61b2o2bo$66bo$63bobo$64bo$64bo$64b2o$64b2o3$39bo10bo$38b5o5bob | |||
2o11bo$37bo10bo3bo9bo$38b2o8b3obo9b2o$39b2o9b2o12bo$26b2o13bo21b3o$26b | |||
2o35b3o7$34b2o$34b2o11b2o$45b2o2bo$50bo3bo$44bo5bo3bo$45bo2b2o3bobo$ | |||
46b3o5bo$54bo! | |||
|position = center | |||
|viewerconfig = #C [[ THUMBSIZE 2 ]] | |||
|caption = Glider loop with 2-engine Corderships | |||
}} | |||
==Videos== | ==Videos== | ||
| Line 17: | Line 34: | ||
==References== | ==References== | ||
<references /> | <references> | ||
<ref name="post54583">{{LinkForumThread | |||
|p = 54583 | |||
|format = ref | |||
|title = Re: Spaceship Discussion Thread | |||
|author = gmc_nxtman | |||
|accessdate = August 10, 2019 | |||
|date = January 3, 2018 | |||
}}</ref> | |||
</references> | |||
{{Symmetry|180degree}} | {{Symmetry|180degree}} | ||
Revision as of 09:12, 10 August 2019
| Glider loop | |||||||
| View static image | |||||||
| Pattern type | Miscellaneous | ||||||
|---|---|---|---|---|---|---|---|
| Number of cells | 456 | ||||||
| Bounding box | 73 × 150 | ||||||
| Static symmetry | Unspecified | ||||||
| Discovered by | Unknown | ||||||
| Year of discovery | Unknown | ||||||
| |||||||
Glider loop (or simply loop) is a pattern in which two gliders are bounced back and forth between two ever-retreating 7-engine Corderships. This same glider-bouncing reaction can be seen in sawtooth 362.[1]
As gmc_nxtman points out in January 2018, a 2-engine Cordership can reflect a glider 180 degrees while preserving its mod-4 timing.[2] This leads to an updated version of glider loop:
| Glider loop with 2-engine Corderships (click above to open LifeViewer) |
Videos
References
- ↑ Alan Hensel's lifep.zip pattern collection.
- ↑ gmc_nxtman (January 3, 2018). Re: Spaceship Discussion Thread (discussion thread) at the ConwayLife.com forums