411 REFERENCE · Wiktionary
Day and Night
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
day and night
English
+ (cellular automaton)
Etymology
Named for the fact that the rule is its own complement; toggling all cell states results in the pattern evolving similarly, but with living and dead cells switched.
Proper noun
Day and Night
en cellular automata A Life-like cellular automaton with the rule B3678/S34678.