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praosylen

What is this? my habit of going to forum posts referenced in LifeWiki articles (in this case, the three-glider switch engine synthesis), reading through the entire page, and somehow figuring that it's okay to reply as long as the topic is still active; my annoyance over what I perceive as inefficie...

praosylen

Why wasn't this submitted to Catagolue? You had over four years to submit this to Catagolue, but you failed, thus consigning your component to become lost in the forums. Luckily, I found it—but that won't happen every time. What is this? Honestly I'm kind of shocked you seem to expect someone to re...

praosylen

is there an orthogonal speed (less than c/2) such that no elementary spaceships with said speed can exist in b3/s23? I believe the answer is no, if high-period examples of that speed count — at least I would assume there's some way to make a "speed orthogonoid" that would be able to achieve every s...

praosylen

mniemiec wrote: ↑
June 17th, 2021, 4:38 pm

ihatecorderships wrote: ↑
June 17th, 2021, 12:18 pm
Why is the canonical version of the century this: ... and not the bookend or the normal B-hept-minus-one cell predecessor?
This sometimes comes up instead of a bookend:
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rle

As does this, which I find to be more common:

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x = 4, y = 4, rule = B3/S23
b3o$o$o$bo!

praosylen

Thanks! What about oscillators or spaceships? Basically the same thing, except that for oscillators you're effectively dealing with an additional vertical dimension in a cylinder, and you do object-detection and connectivity tracing for 3-dimensional objects. Spaceships are similar, except the conn...

praosylen

Entity Valkyrie 2 wrote: ↑
June 14th, 2021, 11:32 pm
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rle

These are both known using the normal ship+eater:

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x = 66, y = 15, rule = B3/S23
34b2o23b2o$35bo23bo$2o33bobo19bobo$b2o26b2o5b2o19b2o5b2o$2o28bo33bo$o
29bobo29bobo$31b2o13b3o13b2o$7b2o26b2o9bobo9b2o$b2o4bobo24bobo9bobo9b
obo$b2o5b2o24b2o23b2o2$5b2o$6bo$3b3o$3bo!

praosylen

Simpler LWSS releasing methuselah rle This has fewer cells. rle Edit: This post has two examples of eleven-cell LWSS-releasing methuselahs. [...] If you want an even smaller example, there's a well-known nonomino with an 8-cell parent: x = 5, y = 4, rule = B3/S23 bo$3o$o2b2o$2bo! I don't know of an...

praosylen

I don't think it has much clearance. For clearance I was referring to the period 36 spark given off by the traffic jam, rather than the p4 sparker... I certainly don't know of any other p36 isolated dot sparkers with reasonable clearance off the top of my head, and it wouldn't surprise me if the sp...

praosylen

Not really... The primary issue here with the original glider+block crawler, as I gather it, is not that there are more outputs than inputs to the crawler, or that the blocks show up again in a different position, but that the crawler as it stands has multiple inputs that need to be aligned and syn...

praosylen

Is there a catalyst that can do what this one fails to do? x = 21, y = 15, rule = LifeHistory 13.2A$12.A.A$13.A3$15.2A.2A$11.2A.A.2A.A$12.A.A$7.2C2.A3.4A$7.2C3.2A. A2.A$13.A4.A.A$13.A.A3.2A$A.A.A9.2A$A2.A$A.A! [[ STOP 106 ]] Here's something that almost works: x = 21, y = 19, rule = LifeHistory 14....

praosylen

I've gone through extreme depths to find a one purpose p4 oscillator. x = 48, y = 20, rule = B3/S23 41b2o$3b2o22bobo10bobo$3bobo10bobo8bo7bo4bo$5bo4bo7bo8bo7b2o2b2o$5b2o 2b2o7bo10bo5bo$10bo5bo19b3ob3o$3b3ob3o23bo2b2obobobo$2bobobob2o2bo18b 2obo3b3o2bo$2bo2b3o3bob2o15bo5bo4b2o$3b2o4bo5bo14b2o3b2o3bo...

praosylen

all that is needed is to clean up the leftover blocks x = 219, y = 210, rule = B3/S23 bo215bo$2bo213bo$3o213b3o47$21bo175bo$22b2o171b2o$21b2o173b2o22$107b2o b2o$107b2ob2o24$43bo131bo$41bobo131bobo$42b2o131b2o$107b2ob2o$107b2ob 2o27$107b2ob2o$107b2ob2o17$62bobo89bobo$63b2o89b2o$63bo91bo8$107b2ob2o $...

praosylen

Here's a new p576 similar to the p486 I found earlier: rle Impressive! Here it is as a Herschel factory: x = 65, y = 72, rule = B3/S23 28b2o$28b2o4$27b3o$28bo$26b3o12$41bo$39b3o$38bo$38b2o$26b2o$26b2o2$17b 2obo$17bob2o$6bo51bo$5bob2o47b2obo$4bo3bo47bo3bo$4bo5bo43bo5bo$bo2bo5b o43bo5bo2bo$obo7bo43bo...

praosylen

Did someone ask for a gun? x = 61, y = 55, rule = B3/S23 26bo$5bo19bobo$4bobo18bobo$4bobo17b2ob2o$3b2ob2o16bo3bo$22b3o3b3o$21bo 2bo3bo2bo$25bobo$21b2o7b2o$21b2o7b2o$24bo3bo$24b2ob2o$22b3o3b3o$22b2o 5b2o$22bo7bo3$23bo$3o5b3o12bo$o2b2ob2o2bo$b3o3b3o$2bo5bo11b2o3b2o6$20b 2o3b2o2b2o$29b2o2$23bo$23bo2$2...

praosylen

cgoler2 wrote: ↑
May 30th, 2021, 11:48 am
Could someone find the speed of this?
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rle

234c/944 orthogonal, I believe (or simplifying to 117c/472).

praosylen

And this: rle I couldn't help other than branching wildly. You seem to have an extra glider along for the ride! Here: x = 163, y = 103, rule = B3/S23 5b2o$o3b2ob2o$obob2o2bo$2o2b2obo$5bo3b2o$6b2o3bo3bo$6b6o4b2o$11bo2b2o bo$14b2ob2o$9bo6b3o$7b2o9b2o$8b2o7b2o$14bo7bo$14bobo2bo$14b2o2bo4bo2b o$19bob2o...

praosylen

>:( rle Completed two-engine p486 gun: x = 111, y = 115, rule = LifeHistory 29.2A28.2A$28.B2AB26.B2AB$28.3B28.3B$28.2B30.2B$27.4B28.4B$27.4B28.4B $27.4B.B24.B.4B$26.8B22.8B$25.9B22.9B$24.12B18.12B$24.13B16.13B$24.14B 14.14B$24.15B12.15B$24.16B10.16B$24.16B10.16B$24.16B10.16B$25.17B6.17B $26.17B4.17...

praosylen

I have a new proposal for a compacted 3-state R1OT notation — honestly it's more of an evolved version of some of the things other people have already posted, the main design goal is just to be at least somewhat human-readable and -writable as well as reasonably compact for a lot of the prominent ru...

praosylen

EvinZL wrote: ↑
May 12th, 2021, 12:32 pm
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rle

I feel like I've seen this before but I still love it.

praosylen

Why does this puffer produce so many long inverted double claws? I know that it's symmetric, but why long inverted double claws in particular? x = 19, y = 19, rule = B3/S23 8b2o$8b3o$7bo4bo$6b4ob3o$7bo2bo2b3obo$7b3o2bo4b2o$3bo3bo2b2ob2obo$2b5o bo4b2obo$2obobobo2b3o$2obobo5bobo$bo2bobobo3b2o$3bo2bob...

praosylen

I just added a bunch of still lives to the list. Please let me know if I made any errors or omitted any predecessors with minimal population. Looks mostly good to me, although I didn't go through to check every single predecessor if I knew of multiple at a given minimum population. Here's an 8-cell...

praosylen

MathAndCode wrote: ↑
May 5th, 2021, 2:09 pm
A B-heptalet predecessor can be hassled with period four.
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x = 14, y = 25, rule = B3/S23
9b2o$8bo2bo$8bobo2bo$9bo$10b2obo$12bo2$8bo$6b3o$8bo$8bo$6b2o2$5bo$5bo
$4b3o4$3b5o$2bob3obo$2bobobobo$b2obobob2o$o2b2ob2o2bo$2o7b2o!

It's in jslife — osc/o0004.lif, right side, top row, second from left.

praosylen

Sorry to disappoint, but it's not my real birthday... I'm not really sure what happened there...

praosylen

JP21 wrote: ↑
May 2nd, 2021, 1:24 am
Boring p10 wick stabilization:
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rle

Nice, that's smaller than my stabilization! That's a really nontrivial little catalyst-y reaction.

praosylen

MathAndCode wrote: ↑
April 27th, 2021, 10:37 pm
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x = 6, y = 12, rule = B3/S23
3bo$obo$obo$bo2$b2o$b2o$5bo$b5o$bo$3bo$2b2o!

Nice! I know I found that catalyst at one point but I definitely don't remember finding anything that simple to react with it.

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