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English
Noun
methuselah (plural methuselahs or methuselae)
- A large wine bottle with the capacity of about 6 liters, equivalent to 8 standard bottles.
- (cellular automata) A small pattern that takes many generations to stabilize.
- Hyponyms: B-heptomino, Herschel, pi-heptomino, R-pentomino, switch engine
1996 December 16, Paul Callahan, “Need help in finding topic for research project”, in comp.theory.cell-automata (Usenet):The first known methuselah was the r pentomino, but even longer lasting ones have been found by enumerating and testing small patterns. The following, called "rabbits," takes over 10000 generations to stabilize.
2003 February 24, Michael Hedera, “Methuselahs in Conway's Life”, in comp.theory.cell-automata (Usenet):Is there somewhere a list of n-cell methuselah patterns in Conway's Life? (assuming some reasonable limits on the bounding box)
2008 June 29, Andrzej Megier, “Game of life methuselah?”, in comp.theory.cell-automata (Usenet):The pattern below seems to take about 30000 generations to stabilize. The initial population is 20. Is this methuselah a known one?