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Welcome to LifeWiki, the wiki for Conway's Game of Life. Currently contains 2,141 articles.

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This week's featured article The pi calculator is a device constructed by Adam P. Goucher in February 2010, which calculates the decimal digits of pi and displays them in the Life universe as 8×10 dot matrix characters. The actual calculation is done in binary, using a streaming spigot algorithm based on linear fractional transformations. The pi calculator is made up of a 188-state computer connected to a printing device via period-8 regulators and a binary-to-decimal conversion mechanism. The complete pattern can be found in Golly's Very Large Patterns online archive. Read more... In the news July 1: Another collaborative effort results in a series of HWSS Heisenburp circuits much smaller than the previous best known devices. Recovery time is something under 1400 ticks. Some versions can also detect flotillas with an HWSS along one edge. June 20-30: Several new signal converter circuits are constructed, including Luka Okanishi's 242-tick 30P5H2V0-to-G and Goldtiger997's 290-tick HWSS-to-G. Many others are catalogued here. June 6-30: JP21's and then Jeremy Tan's eater collections spark new interest, and eaters are found for several previously inedible spaceships such as dragon, Canada goose, and brain. June 8: A collaborative effort produces a fully universal *WSS-to-glider converter that recovers in only 588 ticks, and works even if moved by an odd number of cells along the input lane. Editable news item submissions page • Archive • @conwaylife on Twitter Pattern collection The LifeWiki contains one of the most comprehensive catalogues of patterns available on the internet. Within it you will find: 1357 patterns (including 519 oscillators, 129 spaceships and 337 still lifes); 2281 images (508 animated and 1773 static); Over 3000 downloadable pattern files; Glider syntheses for 745 patterns. Download pattern collection 2 MB .zip archive containing the 1500+ RLE pattern files used on the wiki

Did you know... ... that all strict still lifes up to and including 14 cells have been found by apgsearch in asymmetrical 16×16 soups? ... that c/2 orthogonal and c/4 diagonal were the only speeds of spaceships seen to emerge from asymmetric soups on Catagolue until 2020? ... that all currently known standard Herschel conduits produce the same Herschel great-grandfather pattern, except for Fx158? ... that eater 1 is the smallest asymmetric still life? ... that in Life, no spaceship can exist with a speed of (m,n)c/x where (m+n)/x > 0.5? ... that even without using fixed-cost reverse caber tosser technology, an N-bit strict still life – specifically, some length of long long (...) boat or barge – can be constructed for any odd integer N using no more than 34 gliders, and for any even integer N using no more than 33 gliders, using a temporary tubstretcher? ... that even without using fixed-cost reverse caber tosser technology, an N-bit period-2 oscillator can be constructed for any odd integer N using no more than 45 gliders, and for any even integer N using no more than 46 gliders, using a temporary tubstretcher? ... that it is currently an open question as to if there exists a periodic pattern whose only predecessors are its own evolutionary sequence? ... that it was proved in the early 1970s that reflectorless rotating oscillators exist in Life, but none were found until 2018 when Adam P. Goucher completed the 0E0P metacell? ... that there are currently known elementary spaceships with speeds c/7 and c/10 orthogonal, but none with c/8 or c/9?           Showing 10 items out of 104 More did you know...