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{{Glossary}} | {{Glossary}} | ||
A '''filter''' is any [[oscillator]] used to delete some but not all of the [[spaceship]]s in a stream. An example is the [[blocker]], which can be positioned so as to delete every other [[glider]] in a stream of period 8n+4, and can also do the same for [[LWSS]] streams. Other examples are the [[MW emulator]] and [[T-nosed p4]] (either of which can be used to delete every other LWSS in a stream of period 4n+2), the [[fountain]] (which does the same for MWSS streams) and a number of others, such as the [[pipsquirter 1|p6 pipsquirter]], the [[pentadecathlon]] and the p72 oscillator shown under [http://www. | A '''filter''' is any [[oscillator]] used to delete some but not all of the [[spaceship]]s in a stream. An example is the [[blocker]], which can be positioned so as to delete every other [[glider]] in a stream of period 8n+4, and can also do the same for [[LWSS]] streams. Other examples are the [[MW emulator]] and [[T-nosed p4]] (either of which can be used to delete every other LWSS in a stream of period 4n+2), the [[fountain]] (which does the same for MWSS streams) and a number of others, such as the [[pipsquirter 1|p6 pipsquirter]], the [[pentadecathlon]] and the p72 oscillator shown under [http://www.conwaylife.com/ref/lexicon/lex_f.htm#factory factory]. | ||
== External links == | == External links == | ||
{{LinkLexicon|lex_f.htm#filter}} | {{LinkLexicon|lex_f.htm#filter}} | ||
Revision as of 23:31, 9 January 2017
A filter is any oscillator used to delete some but not all of the spaceships in a stream. An example is the blocker, which can be positioned so as to delete every other glider in a stream of period 8n+4, and can also do the same for LWSS streams. Other examples are the MW emulator and T-nosed p4 (either of which can be used to delete every other LWSS in a stream of period 4n+2), the fountain (which does the same for MWSS streams) and a number of others, such as the p6 pipsquirter, the pentadecathlon and the p72 oscillator shown under factory.
External links
- Filter at the Life Lexicon