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PURE gliders from 1D:

This quadratic is not chaotic, it is a nice triangular array of gliders. x = 34, y = 21, rule = Serizawa 16.A5.A2.A5.A$15.ABA3.AB2ABA3.ABA$15.A2.A.A6.A.A2.A$17.A3.A.2A.A3.A$ 21.B4.B2$19.A8.A$20.A6.A6$32.B$31.A.A2$.A5.B2.B16.A$ABA3.B.2B.B$A2.A 2.A4.A$2.A$7.A2.A! Further optimization is possible, to c...

Freeze-dried glider is 3 blocks, activated by a MWSS flyby: A freeze-dried LWSS or MWSS would take 6 blocks, since there are reactions for glider + 3 blocks to produce them.

Could it be made into one?

Very clean MWSS to LWSS converter/one-time-turner/edge shooter:

Edit 3 : Got it: x = 40, y = 46, rule = B3/S23 34bo$34bobo$34b2o2$11bobo$12b2o$12bo21bo$33bo$33b3o4$18b2o$17bo2bo$17b o2bo$18b2o3$33bo$32bo$13b2o17b3o$13bobo$14bobo2bo$12bobob4o$11bobo$12b o5b2o$18b2o2$35b2o$35bobo$35bo2$31b2o$bo29bobo$b2o28bo$obo4$12bobo$12b 2o23b2o$13bo23bobo$37bo$12b2o$12bobo$12...

Rear firing knightrake breeder: x = 423, y = 261, rule = IS4 210.A3CA2$209.ACD.CA$210.F4.2F17.A3CA$212.F2.D$233.ACD.CA$210.D2.F20. F4.2F$210.F25.F2.D$211.2D.FD$212.5F17.D2.F$214.F19.F$212.5F18.2D.FD$ 236.5F$238.F$236.5F2$230.D3.D4$211.E18.2D.2D$209.A3.A$211.E$224.A.B.B $222.A3.B.B$208.2A12.CA2.3E$22...

Remarkable one-to-five splitter makes two salvos and a single: x = 91, y = 37, rule = IS4 85.D.D$85.F.3B$87.E.BD$85.DB.E$86.3B.F$88.D.D5$40.D.FD$39.2B$39.B.EBD $38.DBE.B$41.2B$38.DF.D12$2BE2B$E3.B$E2.2B$2B$21.D.D$19.3B.F$18.DB.E$ 20.E.BD$18.F.3B$18.D.D! One of the salvos returns on a nicely spaced p...

I am still searching for a simple knightship duplicator that is a single reaction of a knightship and a catalyst. I don't doubt for a second that it is possible in this rule. The splitter used in examples above by bprentice can be reduced to a simple splitter by adding p2 eaters: x = 185, y = 68, r...

I was amazed when I found this IS4 pattern that makes a clean copy of an oscillator: x = 72, y = 36, rule = IS4 6.2B$6.E2.2B$6.E3.B$6.2BE2B21$70.F$66.D3.D$70.B$68.E.BD$66.DB.E$2.D3. D60.B$D5.D60.D3.D$D.F64.F$D.2B2.D$D.B.B.D$D.3B$D.D! I was even more amazed when the same can be done with one knightsh...

The two episode program called "Stephen Hawking's Grand Design: The Meaning of Life" mentions John Conway and his "Game of Life" starting at about 12 minutes into the first episode. Other than explaining the simple rules, there are a few shots of example patterns found in golly running on a flat gri...

The IS4 rule has a nice p152 oscillator Here is a casually made puffer for it: x = 115, y = 315, rule = IS4 61.5F$60.D2.D$60.D.F.2F$57.F.F$55.D4.D4.F$55.B3.F.2F$55.D.E4.AE2B$55. D.D2.B4.B$55.B2.DB3.D.B$55.2D2.2BD2B.D$57.D.D3.D.D5$62.A3CA$67.A$61.F A.F.D.A$66.D.C$56.2F8.F.C$51.F.3D5.F4.CFAD$51.D.B.B2...

You can also branch and cross it: x = 68, y = 68, rule = B3/S23 2bo26bo$2b3o22b3o$2o3bo20bo3b2o$bo2bobo18bobo2bo$bobo2bo18bo2bobo$2bo 3b2o16b2o3bo$3b3o2bo14bo2b3o$5bo2b3o10b3o2bo$6b2o3bo8bo3b2o$7bo2bobo6b obo2bo$7bobo2bo6bo2bobo$8bo3b2o4b2o3bo$9b3o2bo2bo2b3o$11bo2b4o2bo$12b 2o4b2o$13bob2obo$13bo2bob...

Oscillators from p42 to p594: x = 84, y = 333, rule = B45678/S123567 11bo6bo6bobobo$12bo6bo4bobobobo$11bo6bo12bo$12bo6bo10bo$11bo6bo12bo$ 12bo6bo10bo11b6o$13b4obo6b5o11bo2b3obo$19bo4bo17b6o$18bo4bo$19bo4bo$ 18bo4bo$19bo4bobobobo$18bo6bobobo8$13bobobo7bobobo$12bobobobo5bobobobo $11bo19bo$12bo17bo$11b...

Not currently needed for replicator, but possibly useful for Geminoid knightship, etc. A remarkable two block (half LOM) solution and two near misses with single block seed. The two block seed is placed quite a distance away from the semi-snark and still does the job: x = 257, y = 42, rule = B3/S23 ...

MWSS version of the LWSS fast shifter for a glider: x = 114, y = 69, rule = B3/S23 bo89bo5b2o$2bo6b2o81bo4b2o2b2o$3o6b2o10b2o67b3o8b2o$21b2o2$26b2o74b2o$ 26b2o69b2o3b2o$91b2o4b2o$91b2o4$17b2o$17b2o2$11b2o$11b2o14$91bo5b2o$ 92bo4b2o10b2o$90b3o16b2o3$110b2o$97b2o11b2o$91b2o4b2o$91b2o22$91bo5b2o $92bo4...

A small collection for blockic shifts of a glider by 1-9 half diagonals: x = 351, y = 34, rule = LifeHistory 3.D$3.D38.3D37.3D37.D.D37.3D37.3D37.3D37.3D37.3D$3.D40.D39.D37.D.D37. D39.D41.D37.D.D37.D.D$3.D38.3D38.2D37.3D37.3D37.3D39.D37.3D37.3D$3.D 38.D41.D39.D39.D37.D.D39.D37.D.D39.D$3.D38.3D37.3D39...

Spaceship with clean burning smoke display larger than the more stable front end: x = 38, y = 15, rule = 35678/24/4 3.3A.ABC2.B6.CBA$3.2B.BC3.C.C3.C3.CBA$2.A2C.BC3.C7.C.A.CBA$2.B6.C.B5. CBABC3.CBA$.ACA4.ABC5.BAB.B2.C3.CBA$.B.B3.ABC.C3.C2.BC.ABCBAB2.CBA$AC .CA2.AB.B3.BA.C.A3.A3.CB2.CBA$B.B.B2.ACA.A.2...

The c/5 diagonal spaceship is capable of reflecting a glider 90 degrees Amazingly, the phase of the glider doesn't matter! Any glider stream (minimum spacing is p17 I think) will be reflected, Also, due to symmetry, a half diagonal shift of the glider track will reflect the other way: x = 243, y = ...

Here is a two block SOD solution: This one is still two blocks, but a little further away from the other still lifes. Interestingly the destruction glider can come from two different angles, yielding the same result: x = 313, y = 92, rule = B3/S23 311bo$bo308bo$2bo307b3o$3o50$254b2o7bo$41b2o7bo203b...

There is a slight variant of the semi-snark that may make it easier to destroy. Here is a two block SOD solution: x = 72, y = 91, rule = B3/S23 70bo$69bo$69b3o51$13b2o7bo$13b2o5b3o$19bo$4b2o13b2o$5bo$5bobo$6b2o$11b 2o$2o9b2o$2o3$8bo$7bobo$3b2o2b2o$3b2o2$16b2o$16b2o2$29b3o$29bo$30bo13$ 44b3o$44bo$45b...

1) A 2G salvo converts a block to an LWSS and a loaf. 2) 2G + 2b4 -----> LWSS 3) 2G + 2b4 -----> MWSS The first reaction is probably known but the third was a surprise, just moving one block: x = 41, y = 179, rule = B3/S23 bo$2bo$3o2$8bo$9bo$7b3o31$36b2o$36b2o32$bo$2bo$3o2$8bo$9bo$7b3o20$39b 2o$39b2...

MWSS + LWSS reaction: x = 112, y = 65, rule = B3/S23 b3o31b2o12b3o31b2o12b3o$5o7b2o13b2o5b4o10b5o7b2o13b2o5b4o10b5o7b2o$3ob 2o4b2ob2o9b3ob2o4b2ob2o9b3ob2o4b2ob2o9b3ob2o4b2ob2o9b3ob2o4b2ob2o$3b2o 5b4o10b5o7b2o13b2o5b4o10b5o7b2o13b2o5b4o$11b2o12b3o31b2o12b3o31b2o4$ 109b3o$111bo$110bo11$99b2o$98bobo$10...

3 LWSS but not as quick: x = 121, y = 77, rule = B3/S23 2b2o21b4o22b2o21b4o22b2o$2ob2o19bo3bo20b2ob2o19bo3bo20b2ob2o$4o24bo20b 4o24bo20b4o$b2o21bo2bo22b2o21bo2bo22b2o2$6bo2bo45bo2bo45bo2bo$10bo22b 2o24bo22b2o24bo$6bo3bo8b2o10b2ob2o6b4o9bo3bo8b2o10b2ob2o6b4o9bo3bo8b2o $7b4o6b2ob2o9b4o6bo3bo10b4o6b2ob...

Even without a Herschel the search space is huge and full of options: There has to be a blockic spaceship out there, where one phase of the spaceship is just G + nb4! (Two or more seeds with a single glider reflecting from seed to seed, moving the blocks) EDIT: I know that idea is not new! But... A...