Travelling Ts timeline

Normal discovery
Major discovery
Huge discovery


Categorization (WIP)
Misc.
Oscillators
Spaceships/naturalistic puffers
Catalysis/conduits

Stationary constructions

Moving constructions

May 2025
29: ThePlayzr creates the thread. Most basic objects are known to antiquity.
29: ThePlayzr notices the Climbing C (c/2o) inside of a set of collisions Resu posts.
29: Resu discovers the p2 loaf oscillator.
29: mmmmmmmmm discovers a large p3 oscillator and margolus oscillators of periods 4, 6, and 14.
29: Hotcrystal0 notices that the rule has 2x2 block evolution. mmmmmmmmm notes that this implies the existence of every even-period oscillator.
30: Resu and ThePlayzr discover several collision reactions, most notably a 90* kickback.
30: Resu discovers a p25 and several p5 oscillators.
30: Hibiscus discovers a p7. ThePlayzr discovers a smaller p7 shortly afterwards.
30: Resu discovers several zebrastripe photons and the existence of other agars, as well as the pinwheel flipping reaction.
30: ThePlayzr discovers the two-T Eater 1 synthesis.
30: Hotcrystal0 notes that a p9 from Life works in the rule.
30: PK22 discovers a c/4 tubstretcher.
30: Resu discovers several oscillators, most notably a p7 sparker and a p11 from Life.
31: ThePlayzr discovers the pre-fleet sequence.
31: PK22 finds the first c/3o spaceships.

31: H.H.P.M.P Cole discovers c/5o, 2c/5o, and c/5d spaceships.
31: PK22 notes that 2 eaters works.
31: Hotcrystal0 constructs a 1PG growth pattern.
31: Resu discovers the p8 pond algae, p10 T loop, a p12 sparker, and a p6 sparker.
31: Hotcrystal0 notes that the boat-bit reaction instead eats gliders. Resu notes that the same reaction works on the flat ends of Eater 1.
31: PK22 discovers the bee (c/4o).
31: PK22 discovers that Eater 1 can eat a T.
31: Resu discovers the glider boat flip.
31: PK22 finds several c/2 puffers and rakes.
31: Resu discovers that the p10 T loop is extendable.
31: PK22 discovers a new p12.
31: PK22 enumerates 2-glider collisions.

June 2025
1: Hibiscus finds and stabilizes a p5 wick.
1: ThePlayzr discovers SKOP 6 and 8.
2: H.H.P.M.P Cole discovers c/6o and c/6d spaceships.
4: mmmmmmmmm discovers the overunity reaction.
5: PK22 searches 5-glider syntheses, finding several useful ones, as well as the large lake restoration reaction.
6: ThePlayzr discovers the T reflection reaction. PK22 uses this to construct a p140 loop out of p20 oscillators.
7: PK22 finds the 4c/8 spaceship.
10: Various rakes are constructed by PK22.
10: LuveelVoom discovers a p13. ThePlayzr reduces it.
11: ThePlayzr notes the existence of the p16 oscillator, which PK22 reduces shortly afterwards, as well as new p3 and p4 oscillators.
11: PK22 notices the p8 pipsquirter, p8 prepond shuttle, and p8 block sparker.
11: P1GG notices the p14 hassler, p24 two pairs of things hassling each other, the sparky p13, and a p6 thumb.
11: LuveelVoom notices the p32 dual buns, p10 long barge hassler (which P1GG uses to construct a p20 T shuttle), and the p10 toad-bun hassler.
13: Resu attempts to construct a periodic reflector.
14: hibiscus discovers smaller c/5o and 2c/5o spaceships.
15: hibiscus discovers a small c/7o.
15: PK22 reduces the tubstretcher and finds a linestretcher.
17: shuich01 discovers a 2c/7o.
18: Resu and PK22 discuss growing spaceship reactions.
18: LuveelVoom finds a c/3d ship.
19: LuveelVoom finds a (2,1)c/5 ship.
22: PK22 constructs a growing rake and growing spaceship.
22: PK22 notes the p3 pipsquirter.
25: Resu discovers the bi-bun eating reaction.
25: PK22 notices the p24 bookends sparker.
25: Resu discovers the p8 algae wick.
27: H.H.P.M.P Cole constructs a smaller growing rake.
28: Resu finds a 4404 gen methusela using a script written by PK22.
29: PK22 notices a p8 thumb.
29: PK22 discovers a c/3d tubstretcher.

July 2025
2: PK22 discovers the super pond hassler family.
4: ThePlayzr notices the p9 boat-line hassler.
8: ThePlayzr discovers how to make an infinitely extensible family of c/2 spaceships.
17: LuveelVoom discovers the triple blinker to Climbing C catalysis.
17: LuveelVoom discovers a loaf pseudo-wire, which needs to be used on the other side to be used again on the first side.
18: ThePlayzr notices the natural occurrence of a p6 super pond hassler.
18: ThePlayzr assembles a small pond evolutionary sequence catalog.
21: Abhpz constructs a p204 T gun. ThePlayzr reduces it shortly after and constructs a glider gun from it.
23: ThePlayzr constructs a p408 T gun and a pseudo p102 T gun.
23: rabbit constructs p228 and p348 T guns, as well as a p196 gun using a different sparker.
23: rabbit constructs a p64 Margolus T gun, notes that Margolus oscillators can be used to convert Ts to gliders, and constructs a smaller p64 Margolus T gun supported by a p8 sparker; ThePlayzr would construct a p32 gun using the same mechanism shortly afterwards.
23: pifricted discovers a glider reflection and glider-to-T reaction with Margolus oscillators.

August 2025
1: Hotcrystal0 notes several additional sparkers from Life that function in TTs.
1: R2INT discovers a 180* glider reflection reaction and uses it to make a p154 shuttle. ThePlayzr uses it to make a p130 shortly after.
1: R2INT discovers a failed glider reflection catalyst.
3: LuveelVoom discovers a transparent loaf catalyst.

4: PK22 constructs a p192 Climbing C gun and a p192 Flying F gun.
5: ThePlayzr discovers that toads are infinitely extensible.
5: PK22 constructs a slide gun.
6: PK22 constructs a p420 glider gun based on a novel mechanism from Hotcrystal0.

7: PK22 synthesizes the p420 glider gun.
8: PK22 constructs a p540 bee gun using a bee synthesis and a new p540 version of the p420 gun.
8: ThePlayzr constructs a sublinear growth pattern, growing at N-sqrt(N).
10: ThePlayzr constructs a new slide gun based on a reaction from mmmmmmmmm.
13: ThePlayzr discovers an infinite series of c/5o spaceships based on a spaceship by R2INT.
26: ThePlayzr discovers a B -> HSH catalysis.
28: ThePlayzr and mmmmmmmmm discover that the c/7o can bulldoze.

September 2025
1: The minpop of the 2c/5 spaceship is reduced from 229 to 222. (Cannot find the person who discovered this new ship).
8: ThePlayzr discovers a tub catalysis of the B.
16: rabbit uses the tub catalysis to construct a p402 glider gun.
18: mmmmmmmmm discovers that the two pairs p24 is extensible; ThePlayzr discovers that this extension can be continued in two dimensions and turned into an agar.
24: ThePlayzr discovers a much smaller c/6o, reducing the minpop from 396 to 49.
25: LuveelVoom proves that the minimum population for c/3d spaceships is 169 cells.
25: Hotcrystal0 constructs a p60 R shuttle.
25: ThePlayzr notes a set of loaf back tie loaf flip reactions.
27: PkmnQ generates a list of common evolutionary sequences.
30: ThePlayzr constructs a p20 oscillator puffer.

October 2025
3: ThePlayzr discovers a 36 cell 3c/8o.
8: yujh reduces the 2c/5o to 159 cells.
9: amling finds a 54 cell c/3o and proves its minimality.
9: PK22 constructs a log(N) growth pattern.
10: EvinZL constructs a 3c/8o distaff.
13: I6_I6 constructs a sawtooth based on a partial by ThePlayzr based on a partial by I6_I6.
24: PK22, mmmmmmmmm, yyh_baboon, and ThePlayzr complete a synthesis of the fairly common semi-natural 4c/8o.
31: ThePlayzr finds a new smallest 2c/7o, at 115 cells.

November 2025
17: ThePlayzr constructs an endemic p2.
18: hibiscus discovers a p26 agar.
22: ThePlayzr reduces the 2c/5o to 133 cells. This means all those CPU hours I spent searching for a smaller 2c/5o based on the assumption that the smallest known was 159 cells were in vain… this is why you keep pattern collections updated, folks

December 2025
12: ThePlayzr constructs a p160 heisenburp for the 4c/8o.

17: Hotcrystal0 constructs a p420 4c/8o gun.
17: ThePlayzr uses the gun and adds a filter of the proper period to make it compatible with a new p560 heisenburp.

18: Hotcrystal0 finds a stable 4c/8o eater.

20: PK22 constructs a W110 metacell, proving TTs turing complete.
29: mmmmmmmmm constructs a bee gun based on a partial by ThePlayzr.

January 2026
5: ThePlayzr finds a high clearance p4 domino sparker, and reduces it the next day.
6: ThePlayzr finds a 39 cell predecessor to linear growth, the smallest known.
7: Hotcrystal0 finds an extendable p8 U-turner wick.
10: R2INT finds a p248 shuttle.

10: ThePlayzr constructs a p248 gun using the shuttle. The gun is reduced by I6_I6.
11: I6_I6 finds a p5 block fountain.
12: ThePlayzr constructs additional sparkers and a wide variety of pre-super pond hasslers.
16: PK22 synthesizes the p248, as well as several other objects.
19: PK22 finds a small strictly volatile p22 in C4_1.
20: PK22 finds a small sparky p11 in D4_x1.
22: PK22 finds a 44g synthesis for the sparky p25 as well as a generalized synthesis for certain Margolus oscillators.
23: PK22 finds a p17 oscillator in D4_x1. Hotcrystal0 finds a rephasing reaction shortly afterwards.
24: I6_I6 collects many oscillators from Catagolue.
31: PK22 massively reduces the size of the slide gun.
31: PK22 constructs a p1260 Climbing C loop.

February 2026
1: I6_I6 finds c/3d tubeaters.
5: I6_I6 finds a new Margolus oscillator component, which ThePlayzr turns into an agar.
8: ThePlayzr finds a c/4d tubeater.
9: PK22 finds a new record 1503 gen diehard, a new record 4625 gen methusela, and a soup with higher final population than initial population.
15: PK22 constructs a p3 G->G plus T with repeat time 942 based on a reaction from mmmmmmmmm, as well as a gun based on it. I6_I6 reduces the repeat time to 894 shortly afterwards.
16: R2INT begins planning for universal construction.
16: ThePlayzr notes that the new G->GT allows for the construction of odd-period guns.
26: ThePlayzr finds a p4 toaster.

March 2026
…

April 2026
…

May 2026
4: Hotcrystal0 finds a p6 pipsquirter.

16: yyh_baboon discovers a near-miss reflector with a t and boat reaction.
21: I6_I6 constructs a new sawtooth with expansion factor 5.
21: PK22 discovers a new p17 and notices a strictly volatile p10. Hotcrystal0 notices that the p10 is extendable.

24: PK22 constructs a p64 R hassler, a p66 R hassler, and a p32 bun hassler.

24: Hotcrystal0 discovers a p9 weak sparker.
25: Hotcrystal0 discovers several failed oscillators and a p18 agar.
30: Hotcrystal0 constructs a p216 teardrop sequence hassler.

June 2026
1: Hotcrystal0 constructs p20 and p32 blinker hasslers.
1: ThePlayzr discovers that the B-heptomino is a 2c/5 tagalong.
2: PK22 discovers a p5 t-nose and a p14.
6: Hotcrystal0 completes a long-unsolved p12 partial reaction.
11: ThePlayzr and Hotcrystal0 complete the synthesis of the p10 long barge oscillator.
14: PK22 finds a sparky T eater with several minor uses.
28: Hotcrystal0 constructs a p32 wing hassler. (Many other minor hasslers were constructed during this month).

July 2026
11: Hotcrystal0 finds a small p7 pipsquirter.
20: Hotcrystal0 finds the first p27 oscillator based on a phase-shift reaction.

27: Hotcrystal0 constructs a p70 hassler.

August 2026
4: PK22 finds a set of tagalongs for the (2,1)c/5 spaceship.
14: speedydelete finds a set of additional B heptomino catalyses.
23: I6_I6 completes a breeder ThePlayzr had been working on for almost a month.
28: ThePlayzr and PK22 reduce the breeder from 17848 cells to 10362 cells (clean) and 7108 cells (chaotic). The clean version would later be reduced to 9902 cells.

September 2026

7: LuveelVoom finds a 3c/7o spaceship.
11: LuveelVoom finds additional (2,1)c/5 spaceships.
12: PK22 finds more p4 to p6 pipsquirters.