Forums for Conway's Game of Life
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On a related note, should American Dream be in the unconstructible category? If I understand correctly, it has only been proven that American Dream cannot be constructed with a finite amount of gliders, but perhaps a construction using an infinite(, partially repeating, ) set of gliders is possible.vilc wrote: June 8th, 2026, 1:59 pm There is a category named "Patterns constructible by a given number of gliders", which gives an overview the state of the art in glider synthesis efficiency, but it has no subcategory for patterns which have no known synthesis (which would be different from "Patterns that can not be constructed with gliders"). Is it possible to add such a category?
I've gone ahead and created a Unidimensional spaceship page. Please help by adding more info to itI6_I6 wrote: May 9th, 2026, 7:45 am Should all versions of the undimensional spaceship be merged into one page titled "Unidimensional spaceships"? I was thinking about including a general definition of a unidimensional spaceship being any ship with at least one 1D phase, then adding the known versions under a header named "History".
On an unrelated note, I think the new four-digit Demonoid needs its own article.
The article states that American Dream on its own has no finite parents, which means it has no finite predecessors, meaning it cannot have a finite glider synthesis. If we manage to synthesize the 'almost parent' or something similar, it would become American Dream with some noninteracting debris further away. In my opinion, I wouldn't call that a proper American Dream synthesis, since the whole point of American Dream is that on its own, it has no finite predecessors.vilc wrote: June 8th, 2026, 4:07 pm Since American Dream is a finite pattern, I would say that a valid synthesis in the usual sense should use only a finite number of gliders. I confirm that the existence of infinite glider collisions producing this pattern does not seem to have been disproved, and it would be very interesting if one existed. I am not optimistic though : it is as close to a Garden of Eden as it is possible to be without being one.
Sorry, that was me. I tried to upload a new version of the file with a white background and black cells, but I got the formatting wrong and the image blew up. I have now corrected the mistake.B468S02357 wrote: June 26th, 2026, 5:19 am […]
Probs a one-time bug but this didnt appear on geminis page so idk whats going on
Made this a separate topic bc i didnt see no bug fixing thread
If you are uploading color-corrected images, could you please also upload similar white background black pattern ones for Giraffe weevil and Silk moth too?MDA wrote: June 26th, 2026, 5:30 amSorry, that was me. I tried to upload a new version of the file with a white background and black cells, but I got the formatting wrong and the image blew up. I have now corrected the mistake.B468S02357 wrote: June 26th, 2026, 5:19 am […]
Probs a one-time bug but this didnt appear on geminis page so idk whats going on
Made this a separate topic bc i didnt see no bug fixing thread
Done!WhiteHawk wrote: June 26th, 2026, 1:24 pm Another one: List of spaceships hasn't been updated, and I don't know where the new (28,3) slope goes on that list
Actually, I was working on editing that, and added the carotenoid and ElijahKen’s smaller ibisship.
Edit: I also fixed the coloring for the patterns mentioned above, but for some reason, LifeWiki did not update the articles where the images were present, maintaining the Golly-style coloring. However, the new images are there, so they should eventually appear on the articles.WhiteHawk wrote: June 26th, 2026, 1:24 pm […]
If you are uploading color-corrected images, could you please also upload similar white background black pattern ones for Giraffe weevil and Silk moth too?
[…]
Another idea for an edit: Perhaps including a size comparison of 31c/240 spaceships akin to this post on the actual 31c/240 page (with leaf bug 2/water strider included)MDA wrote: June 26th, 2026, 2:16 pmEdit: I also fixed the coloring for the patterns mentioned above, but for some reason, LifeWiki did not update the articles where the images were present, maintaining the Golly-style coloring. However, the new images are there, so they should eventually appear on the articles.WhiteHawk wrote: June 26th, 2026, 1:24 pm […]
If you are uploading color-corrected images, could you please also upload similar white background black pattern ones for Giraffe weevil and Silk moth too?
[…]
Entity Valkyrie 2 wrote: February 1st, 2025, 6:27 amHere is a full comparison:Antonin Duda wrote: February 1st, 2025, 4:26 am This should give you a scale of how much we have reduced the 31c/240 caterpillar technology over the years...
The tiny ladder-looking thing on the top left is the "Water Strider", and the huge spaceship that takes up the whole image is the "Shield bug".
(shield bug, centipede, 31c/240 caterloopillar, silverfish, leaf bug, mannaz)
31c-240 spaceships.png
Edit (June 27th, 2026, 7:46 PM): Here is an updated 31c/240 size comparison image:WhiteHawk wrote: June 26th, 2026, 3:33 pm
[…]
Another idea for an edit: Perhaps including a size comparison of 31c/240 spaceships […] (with leaf bug 2/water strider included)
[…]
Life wiki makes no mention of achim's p16 being extendible.otismo wrote: December 1st, 2020, 7:59 pm Here is a flashy little guy I call "Square Circle" if you care :
...Code: Select all
x = 93, y = 93, rule = LifeSuper
43.O3.2O$43.O2.O2.O$49.O$41.2O4.2O2.2O$40.O2.O$40.O2.O$41.O9.O$50.O2.
O$50.O2.O$37.2O2.2O8.2O$33.O5.O17.2O$33.O2.O2.O13.O2.O2.O$37.2O14.O5.
O$31.2O24.2O2.2O$30.O2.O$30.O2.O$31.O29.O$60.O2.O$60.O2.O$27.2O2.2O
28.2O$23.O5.O37.2O$23.O2.O2.O13.U5.U13.O2.O2.O$27.2O13.U.U3.U.U12.O5.
O$21.2O19.U2.U.U2.U16.2O2.2O$20.O2.O13.U17.U$20.O2.O13.U.U4.U3.U4.U.U
$21.O9.2Q3.U3.U.2U5.2U.U3.U3.2Q9.O$31.2Q4.2U.U2.U5.U2.U.2U4.2Q8.O2.O$
40.2U.U5.U.2U17.O2.O$17.2O2.2O9.Q10.2U3.2U10.Q10.2O$13.O5.O11.Q.Q25.Q
.Q15.2O$13.O2.O2.O6.2Q2.Q2.Q25.Q2.Q2.2Q6.O2.O2.O$17.2O7.2Q.Q33.Q.2Q6.
O5.O$11.2O17.2Q13.3U13.2Q14.2O2.2O$10.O2.O26.2U9.2U$10.O2.O20.3S2.U2.
U7.U2.U2.3S$11.O14.U12.U13.U12.U14.O$24.2U.U37.U.2U11.O2.O$27.U11.U
13.U11.U14.O2.O$7.2O2.2O12.U9.2U.U.13U.U.2U9.U13.2O$3.O5.O16.3U5.U4.U
13.U4.U5.3U20.2O$3.O2.O2.O18.U5.U4.U13.U4.U5.U18.O2.O2.O$7.2O13.2U2.U
8.U3.U3.2U3.2U3.U3.U8.U2.2U12.O5.O$.2O18.U4.4U9.U2.U.U3.U.U2.U9.4U4.U
15.2O2.2O$O2.O18.U2.U3.U9.U2.2U5.2U2.U9.U3.U2.U$O2.O19.U9.U5.U13.U5.U
9.U$.O31.U5.U13.U5.U31.O$23.U9.U5.U13.U5.U9.U19.O2.O$22.U2.U3.U9.U2.
2U5.2U2.U9.U3.U2.U18.O2.O$2O2.2O15.U4.4U9.U2.U.U3.U.U2.U9.4U4.U18.2O$
3.O5.O12.2U2.U8.U3.U3.2U3.2U3.U3.U8.U2.2U13.2O$3.O2.O2.O18.U5.U4.U13.
U4.U5.U18.O2.O2.O$4.2O20.3U5.U4.U13.U4.U5.3U16.O5.O$10.2O13.U9.2U.U.
13U.U.2U9.U12.2O2.2O$9.O2.O14.U11.U13.U11.U$9.O2.O11.2U.U37.U.2U$11.O
14.U12.U13.U12.U14.O$34.3S2.U2.U7.U2.U2.3S20.O2.O$40.2U9.2U26.O2.O$
10.2O2.2O14.2Q13.3U13.2Q17.2O$13.O5.O6.2Q.Q33.Q.2Q7.2O$13.O2.O2.O6.2Q
2.Q2.Q25.Q2.Q2.2Q6.O2.O2.O$14.2O15.Q.Q25.Q.Q11.O5.O$20.2O10.Q10.2U3.
2U10.Q9.2O2.2O$19.O2.O17.2U.U5.U.2U$19.O2.O8.2Q4.2U.U2.U5.U2.U.2U4.2Q
$21.O9.2Q3.U3.U.2U5.2U.U3.U3.2Q9.O$37.U.U4.U3.U4.U.U13.O2.O$37.U17.U
13.O2.O$20.2O2.2O16.U2.U.U2.U19.2O$23.O5.O12.U.U3.U.U13.2O$23.O2.O2.O
13.U5.U13.O2.O2.O$24.2O37.O5.O$30.2O28.2O2.2O$29.O2.O$29.O2.O$31.O29.
O$59.O2.O$59.O2.O$30.2O2.2O24.2O$33.O5.O14.2O$33.O2.O2.O13.O2.O2.O$
34.2O17.O5.O$40.2O8.2O2.2O$39.O2.O$39.O2.O$41.O9.O$49.O2.O$49.O2.O$
40.2O2.2O4.2O$43.O$43.O2.O2.O$44.2O3.O!
Cheers !
Code: Select all
x = 93, y = 93, rule = B3/S23
43bo3b2o$43bo2bo2bo$49bo$41b2o4b2o2b2o$40bo2bo$40bo2bo$41bo9bo$50bo2bo
$50bo2bo$37b2o2b2o8b2o$33bo5bo17b2o$33bo2bo2bo13bo2bo2bo$37b2o14bo5bo$
31b2o24b2o2b2o$30bo2bo$30bo2bo$31bo29bo$60bo2bo$60bo2bo$27b2o2b2o28b2o
$23bo5bo37b2o$23bo2bo2bo33bo2bo2bo$27b2o34bo5bo$21b2o44b2o2b2o$20bo2bo
$20bo2bo$21bo49bo$70bo2bo$70bo2bo$17b2o2b2o48b2o$13bo5bo57b2o$13bo2bo
2bo53bo2bo2bo$17b2o54bo5bo$11b2o64b2o2b2o$10bo2bo$10bo2bo$11bo69bo$80b
o2bo$80bo2bo$7b2o2b2o68b2o$3bo5bo77b2o$3bo2bo2bo73bo2bo2bo$7b2o74bo5bo
$b2o84b2o2b2o$o2bo$o2bo$bo89bo$89bo2bo$89bo2bo$2o2b2o84b2o$3bo5bo74b2o
$3bo2bo2bo73bo2bo2bo$4b2o77bo5bo$10b2o68b2o2b2o$9bo2bo$9bo2bo$11bo69bo
$79bo2bo$79bo2bo$10b2o2b2o64b2o$13bo5bo54b2o$13bo2bo2bo53bo2bo2bo$14b
2o57bo5bo$20b2o48b2o2b2o$19bo2bo$19bo2bo$21bo49bo$69bo2bo$69bo2bo$20b
2o2b2o44b2o$23bo5bo34b2o$23bo2bo2bo33bo2bo2bo$24b2o37bo5bo$30b2o28b2o
2b2o$29bo2bo$29bo2bo$31bo29bo$59bo2bo$59bo2bo$30b2o2b2o24b2o$33bo5bo
14b2o$33bo2bo2bo13bo2bo2bo$34b2o17bo5bo$40b2o8b2o2b2o$39bo2bo$39bo2bo$
41bo9bo$49bo2bo$49bo2bo$40b2o2b2o4b2o$43bo$43bo2bo2bo$44b2o3bo!
Eight divisors: Set up the table.
Which one?NNlk05 wrote: August 16th, 2026, 2:12 pm Can someone please update LW to include Gustone's new (23,5)c/79 ships.