ConwayLife.com

mniemiec

lk050807 wrote: ↑
October 31st, 2023, 3:59 pm
What`s that four blocks on cover eating some parts of cross?: ...

That is just four copies of Candelabra sharing a large stator.

mniemiec

Zodduniverse wrote: ↑
October 17th, 2023, 4:37 pm
Pi to Paperclip...

Equally useless: at time 30, the active region is an inward-facing edgy bookend-producing octomino about to hit a beehive. At time 57, the SAME inward-facing octomino (shifted) attacks the active region.

mniemiec

Precisely. It is the very "temperature of chaos" metric that makes michelife9 so intriguing, I feel. On a 50% soup in a torus, you get large patches of Life and Antilife battling for control of the thermostat, as it were. It might be illuminating to expand this into an equivalent 4-state rule with ...

mniemiec

... Originally implemented by michael229719 on the Discord, I made this rule into a weighted HROT rulestring. At first it appears to be completely normal Life, but it works identically under black/white inversion. ... It's only possible to create a rule that behaves exactly the same under inversion...

mniemiec

Why is the RLE moving ? ... The URL is https://catagolue.hatsya.com/object/xq10_o5995ozes88sezw33/b3s23%3Cmarquee%20scrollamount=/b3s23 Note the rule section contains an invalid troll rule string, which contains embedded HTML: b3s23<marquee scrollamount= The Catagolue server does not seem to proper...

mniemiec

Hi, I saw Saka creating extremely rude patterns on a troll symmetry on apgsearch. Links: ... Are these actually linked to anywhere from within Catagolue? The links don't mention any actual soups. Anyone can hand-craft links to Catagolue that contain invalid apgcode strings with practically any text...

mniemiec

SuperNerdUqau wrote: ↑
September 23rd, 2023, 9:59 pm
Definitely known, but LWSS + glider = herschel (T = 55) ...

It's actually making a B-heptomino (technically, its child), complete with its inconvenient initial block.

mniemiec

Try running it until you get past generation 63, then use the “step back” button to get back to 63 Sadly I don’t think I can reproduce it I had the same thing happen some time in the mid-50s (just after the second LWSS formed). I tried to see how it formed, so I tried to back up, and it just vanish...

mniemiec

Are you saying there are 2^25 possible period 2 oscillators and period 2 rotor configurations ? I haven't found this on wiki yet and you say you add higher period oscillators like period 17 or period 23, they must have 2^10000 possible rotor configurations. Why add them ? No. There are 2^25 (includ...

mniemiec

Bruh… ... What's curious about this rule is that even though stable crusts tend to occur whenever foam hits a vacuum, even though these crusts are extremly durable, they are not completely impenetrable. One occasionally sees stable islands forming and then vanishing later, or chunks being taken out...

mniemiec

This is a new p2 oscillator , right ? Someone make a new page for this :) There are exactly 6596 21-bit period 2 oscillators, determined by exhaustive computer search. (That's as high as anyone has actually counted so far). The reason that there are so many is that in periods 2 patterns, every cell...

mniemiec

I realized something... many newcomers (mistakenly) think that the LifeWiki contains all known information about CGoL, even things like random still lives, P2s, medium-lived methuselahs etc. Why is this the case? One thing that is fairly common among wikis in general is that they don't include all ...

mniemiec

Running this for 100+ generations then pressing Ctrl-Z causes the active region to turn into a tub. It seems to depend on what steps you use. E.g. if I step every 20 until 200, repeatedly pressing Ctrl+Z works fine until 120. Then, at 100 the bottom is just a tub, then at 80 it's a tub and a loaf, ...

mniemiec

Is this reaction known? ... I guess it depends on what you mean by "known". That particular constellation of blocks probably hasn't been used to make that particular spark before. But it's a well-known spark, and various octohash searches will turn up dozens or hundreds of ways to make that spark: ...

mniemiec

https://catagolue.hatsya.com/object/xs0_0/b3s23 :catagolue. ... Catagolue accepts many non-standard APGcode sequences. E.g. if you input a still-life, oscillator, or spaceship that is not in the canonical orientation but is otherwise correct, Catagolue will accept it as valid, even though no soups ...

mniemiec

Crossposting from discord: P8, P12, P14, P20 and something that makes 2 bombers ... The four oscillators were already known. Syntheses exist for the P12 and P20 (as far as I can tell, both by Dean Hickerson). x = 69, y = 89, rule = B36/S23 27bo$25boo$26boo$16bo$17boo$16boo$$20bo$21boo$20boo$$26bo9b...

mniemiec

How do you find the soup and the attribute page? The attribute page is https://catagolue.hatsya.com/attribute/<apgcode>/<rule> The object page is https://catagolue.hatsya.com/object/<apgcode>/<rule> From the object page, click on one of the soups in question. The fewer the number of soups, the easi...

mniemiec

qqd wrote: ↑
August 14th, 2023, 5:23 am
I don't know if this p2 is known: ...

This is a fairly simple rotor; I would be surprised if it wasn't already known. The stator can also be reduced:

Code: Select all

x = 5, y = 8, rule = LifeHistory
.2A$2.A$A$5A$4.A$2.A$.A.AF$.2A!

mniemiec

I collected some SKOPs: https://github.com/galoomba1/Skopje/blob/main/skopje/leaplife.py (still a lot of LCMs to do) Nice! I didn't know about the second p12, the p13, p20, p27, p30, p33, p36, p38, and p40 (and I haven't looked at the higher LCM ones yet) There is a smaller SKOP 5: xp5_0g07wc4z11w7...

mniemiec

Edit: One-cell-thick pulsar predecessor. ... The two 1x5 lines alone would do that, without needing any of the other bits. Each of those forms a solid 3x3 block, and both solid and hollow 3x3 blocks form pre-pre-traffic lights in 2 generations, and full traffic lights 2 generations later. If two su...

mniemiec

Something I ran across that doesn't seem to have been mentioned on the forum: the second synthesis of canoe at https://conwaylife.com/patterns/canoe_synth.rle (the anti-parallel one) is not rewindable. ... This is a very old and out of date synthesis file, from my original web pages (1997, last upd...

mniemiec

I was trying to see whether I could remove a feather with two gliders and found this slow component instead. ... While trying to clean the R-sequence up, I found another slow component. You can delete the feather with 3 gliders (I'm not sure if it can be done with 2). The other two components can b...

mniemiec

Is this family of oscillators (stabilising the B2n wick) known? ... Some of them have semi-natural occurrences, although they're space-dusty and don't have good predecessors for synthesis. Yes, although I don't think that anyone has attempted syntheses of any of them. At least one shows up on Catag...

mniemiec

On the list on the wiki, xp10_c89aaczw33 referenced a post that did not contain a synthesis of it. But here's a 5G from Catagolue: ... Nice! The best one I had was my 2020-07-11 9-glider reduction of lemon41625's synthesis from 20200605. xp12_33y133zxhrhzooy1oo in 10G: ... I had this same 10-glider...

mniemiec

9G heptapole. ... Very nice! I am not aware of any previous synthesis of this. Bump. Soup-based block-to-octapole component: ... 11G octapole: ... Nice 3-glider pseudo-still-life! The boat can be made with 2 gliders, reducing this to 10: x = 179, y = 21, rule = B2n3/S23-q 87bo4bo$88boobo$87boobb3o$...

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