LifeWiki:OCA News archive

The following is a list of past news items that ran on the OCA Main Page.

Current news

The following news items are currently live on the OCA Main Page:

• October 19: hotcrystal0 proves Travelling Ts omniperiodic using a series of new drifter loops discovered with a program by LuveelVoom, proof formalized by PK22.
• September 20: Darren Li proves with the assistance of large language models that there are no non-lightspeed spaceships above 10c/11o in non-B0 isotropic non-totalistic rules.
• September 17: Jiahao Yu finds the first 9c/10 orthogonal spaceship in an isotropic non-totalistic rule, which is the closest to lightspeed (excluding lightspeed itself) that has been found so far.
• September 7: LuveelVoom finds the first 3c/7 orthogonal spaceship in Travelling Ts (B3/S23-a5).
• August 30: May13 constructs a 13c/90 orthogonal macroship in ShipWorld (B3acijy4-a5cjkr6-in78/S2n3-c4-aijz5-jy6-k).
• July 26: MDA corderizes a 13c/246d puffer in PseudoLife (B357/S238), providing the first example of this speed in outer-totalistic rules.
• June 22: Ampere discovers an adjustable RRO in the rule B2aik3acekr4-ajntz5acijy6ck7c/S2an3acejk4ejqtwy5cny6-ac7e based on a concept by Docsy, proving that RROs of all loopabilities exist in INT.
• June 7: Kiho Park discovers the first adjustable-speed spaceship whose speed limit is the speed of light. For any integer n >= 1, the spaceship's speed is (8n)c/(8n+4).
• May 26: I6_I6 proves that the rule LowLife (B3/S13) is turing-complete by constructing a W110 emulator.
• May 25: speedydelete and Evin construct a 204c/210882d demonoid in the rule B2-ak5j/S12-k.
• May 20: May13 discovers a period-3 knightship in B24678/S14678, the first such example in a life-like cellular automaton.
• May 5: NimbleRogue discovers a c/64 orthogonal spaceship in B357/S5678, the first such elementary example in a life-like cellular automaton.
• May 3: Katrina finds a p2 photon in B23568/S1478, the first example of a photon in a self-complementary life-like B23 rule.
• March 26: In life-like cellular automata, Katrina finds a record-breaking (2,1)c/4 knightship, with a minimum population of 151 cells.
• February 20: Keith Amling finds a new speed in the rule Seeds (B2/S): a c/4 orthogonal spaceship.
• February 14: qqd proves that the rule 3-4 Life (B34/S34) is capable of universal computation.