Bipole
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Bipole  
View animated image  
View static image  
Pattern type  Oscillator  

Oscillator type  Muttering moat  
Family  Barberpole  
Number of cells  8  
Bounding box  5×5  
Frequency class  21.7  
Period  2  
Mod  1  
Heat  4  
Volatility  0.40  
Strict volatility  0.40  
Rotor type  Pole 2  
Discovered by  MIT group  
Year of discovery  1970  
 
 
 

The bipole is the barberpole of length 2 and is thus an oscillator of period 2. It is the smallest possible barberpole.
Commonness
The bipole is the seventh most common oscillator in Achim Flammenkamp's census, being less common than the clock and pentadecathlon but more common than the quadpole.^{[1]}
See also
References
 ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
External links
 Bipole at the Life Lexicon
 8P2.1 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
 Patterns
 Patterns with Catagolue frequency class 21
 Natural periodic objects
 Oscillators with 8 cells
 Periodic objects with minimum population 8
 Patterns with 8 cells
 Patterns found by MIT group
 Patterns found in 1970
 Patterns that can be constructed with 5 gliders
 Oscillators
 Barberpole variants
 Muttering moats
 Oscillators with period 2
 Oscillators with mod 1
 Oscillators with heat 4
 Oscillators with volatility 0.40
 Oscillators with strict volatility 0.40
 Oscillators with rotor Pole 2
 Patterns with 180degree rotation symmetry
 Flipping oscillators