This week's featured article

The Rpentomino is a methuselah that was found by John Conway in 1970. It is by far the most active polyomino with fewer than six cells; all of the others stabilize in at most 10 generations, but the Rpentomino does not do so until generation 1103, by which time it has a population of 116. It releases a glider in generation 69, which was noticed by Richard K. Guy and was the first glider ever observed. The stable pattern that results from the Rpentomino consists of eight blocks, six gliders, four beehives, four blinkers, one boat, one loaf, and one ship.

Pattern collection

The LifeWiki contains one of the most comprehensive catalogues of patterns available on the internet. Within it you will find:


Did you know...

 ... that after ten years with no new small spaceship syntheses, a glider construction was found for the c/7 loafer in 2013?
 ... that glider constructions for three previously inconstructible spaceships (the dart, the crab, and the Parallel HBK) were discovered in 2014?
 ... that glider constructions for the B29, X66, halfX66 with HWSS, Pushalong 1, 25P3H1V0.2, 30P5H2V0, 30P4H2V0.4, a pufferfish spaceship, and the weekender were discovered in 2015  after fifteen years of intermittent efforts in the case of the weekender?
 ... that since 2014, more new spaceship syntheses have been completed than were found in all the years between 1970 and 2013?
 ... that as of November 2016 there are 161 different still lifes known to be constructible by colliding four gliders, but it is not known if the list is complete?
 ... that in 2014 a new natural infinite growth pattern was discovered, starting from a symmetric random starting configuration?
 ... that the first selfconstructing Conway's Life pattern was built in 2010?
 ... that the first glider synthesis for a c/3 spaceship was completed in 2014?
 ... that the first "macrospaceship" gun (a Gemini spaceship gun) was constructed in 2010, followed by the HBK gun in January 2015 and a Demonoid gun in December 2015?
 ... that the waterbear is the single known highspeed oblique spaceship, many orders of magnitude faster than Gemini spaceships and halfbaked knightships?

