Pole 2

Pole 2
x = 3, y = 1, rule = B2c/S obo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ LOOP 2 GPS 2 THUMBSIZE 2 ]]
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Pattern type	Rotor
Number of cells	2
Bounding box	1 × 3
Period	2
Mod	1
Heat	4
Volatility	1.00
Discovered by	John Conway
Year of discovery	1970
Pattern files Plaintext pole2rotor.cells RLE pole2rotor.rle

Pole 2 is a rotor discovered by John Conway in 1970. It is seen in patterns such as blinker, bipole, fore and back, and snake pit.

In other rules

A lone "Pole 2" can work as an oscillator in the isotropic rule B2c/S. In this rule, strings of dots separated by one cell effectively simulate the same Margolus-like rule seen in 2x2.

See also

• Pole 3
• Pole 4
• obo! spark
• Oscillators with rotor Pole 2 (category)