LifeWiki:OCA Did you know

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Current DYKs

Did you know...

  1. LifeWiki:OCADYK/1: ... that among Life-like (outer-totalistic) rules, Conway's Life's "near neighbours" B35/S23, B36/S23, and B38/S23 are not explosive, but B37/S23 is?
  2. LifeWiki:OCADYK/2: ... that whilst no elementary oblique spaceships were found in B3/S23 until 2018, and none have occurred naturally, at least two naturally occurring reactions have been discovered in B38/S23 that travel in an oblique direction?
  3. LifeWiki:OCADYK/3: ...that no spaceships have been found that work in both Life (B3/S23) and Grounded Life (B35/S23), despite the fact that these rules are only one outer-totalistic transition apart?
  4. LifeWiki:OCADYK/4: ...that the only known orthogonal spaceships in non-strobing outer-totalistic rules with speed c/2 < v < c have v = 2c/3, 3c/4, or 3c/5, though in strobing rules there are also known spaceships of speed 5c/8?
  5. LifeWiki:OCADYK/5: ...that the existence of spaceships in outer-totalistic rules with B23 and S0 and without B01 has been disproven, but of the 8192 such rules without S0, there are spaceships (all of which are p2 photons) known in only 8?
  6. LifeWiki:OCADYK/6: …that John Conway once mentioned that it seemed as if HighLife “is really the game I should have found, since it is so rich in nice things”?
  7. LifeWiki:OCADYK/7: …that 1,210,477 unique and nonadjustable speeds are known in INT rules according to the 5S project, as of May 23rd, 2026?
  8. LifeWiki:OCADYK/8: …that Brian's Brain did not have any known orthogonal spaceships with speeds below the speed of light until New Year's Eve 2020, when a c/5 orthogonal ship was found?
  9. LifeWiki:OCADYK/9: …that a non-explosive isotropic non-totalistic rule containing B1e (B1e2-an3ejkry4cjrw5ceny6c7c/S2ik3-aejr4eknqy5ej6e) has been found?
  10. LifeWiki:OCADYK/10: ...that there is a rule (R2,C0,S4-7,9-12,B4,11-12,NB) that creates infinite growth for some crystals based on a non-obvious parity rule, and some oscillators, but not still lifes, can disrupt it?
  11. LifeWiki:OCADYK/11: …that B3/S23-ijn4a has a spaceship that looks like a LWSS in all phases but moves "sideways" compared to Life?
  12. LifeWiki:OCADYK/12: …that B356/S23 has a period-661 oscillator consisting of eight copies of an active region and nothing else?
  13. LifeWiki:OCADYK/13: ...that adding S4q8 to Life turns the figure eight into a figure nine, adding B5i8 to Life makes figure eight much more common by having it form from a teardrop, and these can be combined?
  14. LifeWiki:OCADYK/14: ...that despite the typical traffic light predecessor in Pedestrian Life failing, they can still form occasionally via a different predecessor (3o$3o$o2bo$b2o!)?
  15. LifeWiki:OCADYK/15: ...that in 2026, Katrina found a c/3o spaceship that works in both B3/S23 and B3/S235?
  16. LifeWiki:OCADYK/16: ...that the way History grey cells are coded, gliders bounce off them in DotLife (B3/S023)?
  17. LifeWiki:OCADYK/17: ...that range-1 2×2 block rules can only have spaceships if B0 is enabled?
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