The Gosper glider gun is the first known gun, and indeed the first known finite pattern with unbounded growth, found by Bill Gosper in November 1970. It consists of two queen bee shuttles stabilizes by two blocks. It remains by far the smallest known gun. Bill Gosper has since found other guns, such as new gun 1 and new gun 2.
An inline inverter is a reaction with the Gosper glider gun in which it eats an incoming glider and thus can be used to invert the presence or absence of gliders in a period 30 stream, with the output glider stream being in the same direction as the input glider stream.
An inline inverter inverting a glider streamRLE: here
- ↑ "Inline inverter". The Life Lexicon. Stephen Silver. Retrieved on May 22, 2009.