Bipole

The bipole is the barberpole of length 2 and is thus an oscillator of period 2. It is the smallest possible barberpole.

Bipole
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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

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]

gollark: Perhaps you could try and get a more comfortable keyboard.
gollark: If you blame xorg, try wayland?
gollark: No. As far as I know, at least, load is added more by being in channels than by having lots of people. And if lots of people are in the same channels, this doesn't create much additional load.
gollark: You can live without the missing things, but it's not ideal.
gollark: https://github.com/matrix-org/dendrite#progress

See also

References
  1. Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
  • 8P2.1 at Heinrich Koenig's Game of Life Object Catalogs
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