Difference between revisions of "Blinker"
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−  The '''blinker''' is the smallest and most [[common]] [[oscillator]], found by [[:Category:Patterns found by John ConwayJohn Conway]] in March [[:Category:Patterns found in 19701970]]. It is one of only a handful of known oscillators that is a [[polyomino]], and it is the only known oscillator that is [[onecellthick patternone cell thick]] (although the [[pentadecathlon]] is "almost" one cell thick in that there is a one cell thick pattern that is a [[grandparent]] of it).  +  The '''blinker''' is the smallest and most [[common]] [[oscillator]], found by [[:Category:Patterns found by John ConwayJohn Conway]] in March [[:Category:Patterns found in 19701970]]. It is one of only a handful of known oscillators that is a [[polyomino]], and it is the only known ''finite'' oscillator that is [[onecellthick patternone cell thick]] (although the [[pentadecathlon]] is "almost" one cell thick in that there is a one cell thick pattern that is a [[grandparent]] of it, and the infinite version of the [[snacker]] is one cell thick). 
Blinkers are very commonly formed in [[Familiar foursa set of four]] called the [[traffic light]]; they can similarly be born in two potential sets of six, the [[interchange]]s. There is also a fairly common constellation of four blinkers and two [[boattie]]s.  Blinkers are very commonly formed in [[Familiar foursa set of four]] called the [[traffic light]]; they can similarly be born in two potential sets of six, the [[interchange]]s. There is also a fairly common constellation of four blinkers and two [[boattie]]s. 
Revision as of 06:56, 23 February 2019
Blinker  
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View static image  
Pattern type  Oscillator  

Oscillator type  Muttering moat  
Family  Clock  
Number of cells  3  
Bounding box  3×3  
Frequency class  0.1  
Period  2  
Mod  1  
Heat  4  
Volatility  0.80  
Strict volatility  0.80  
Rotor type  Pole 2  
Discovered by  John Conway  
Year of discovery  1970  
 
 
 

The blinker is the smallest and most common oscillator, found by John Conway in March 1970. It is one of only a handful of known oscillators that is a polyomino, and it is the only known finite oscillator that is one cell thick (although the pentadecathlon is "almost" one cell thick in that there is a one cell thick pattern that is a grandparent of it, and the infinite version of the snacker is one cell thick).
Blinkers are very commonly formed in a set of four called the traffic light; they can similarly be born in two potential sets of six, the interchanges. There is also a fairly common constellation of four blinkers and two boatties.
When phased correctly, blinkers can provide a purpose similar to an induction coil as seen on the overweight emulator, and can sometimes be positioned so that it either contacts the oscillating segment directly or is one block away from it similarly to normal induction coils.
The blinker can also be a stationary segment known as "line" in certain still lifes; the most basic of these being integral sign but can also be used to connect any number of preblocks, tubs, beehives, loaves, mangoes, hooks, claws, etc. together. One example is boat line tub.
Commonness
The blinker is more than one hundred times as common in Achim Flammenkamp's census as the second most common oscillator, the toad.^{[1]} The blinker is also the second most common object on Adam P. Goucher's Catagolue.^{[2]}
References
 ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
 ↑ Adam P. Goucher. "Statistics". Catagolue. Retrieved on June 24, 2016.
External links
 Blinker at the Life Lexicon
 3P2.1 at Heinrich Koenig's Game of Life Object Catalogs
 Patterns
 Patterns with Catagolue frequency class 0.1
 Natural periodic objects
 Oscillators with 3 cells
 Patterns with 3 cells
 Patterns found by John Conway
 Patterns found in 1970
 Patterns that can be constructed with 2 gliders
 Oscillators
 Periodic objects with minimum population 3
 Clock variants
 Muttering moats
 Oscillators with period 2
 Oscillators with mod 1
 Oscillators with heat 4
 Oscillators with volatility 0.80
 Oscillators with strict volatility 0.80
 Oscillators with rotor Pole 2
 Patterns with rectangular orthogonal symmetry
 Flipping oscillators