Pinwheel

Pinwheel (or Catherine wheel[1]) is a period-4 oscillator found by Simon Norton in April 1970.[2] It is a billiard table configuration and possibly the first period 4 oscillator discovered.

Pinwheel
<html><div class="rle"><div class="codebox"><div style="display:none;"><code></html> 6b2o4b$6b2o4b2$4b4o4b$2obo4bo3b$2obo2bobo3b$3bo3b2ob2o$3bobo2bob2o$4b 4o4b2$4b2o6b$4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] <nowiki>#C [[ TRACKLOOP 4 0 0 GPS 2 THUMBSIZE 2 ]]</nowiki> <html></code></div></div><canvas width="200" height="300" style="margin-left:1px;"><noscript></html> <html></noscript></canvas></div></html>
View animated image
View static image
Pattern type Oscillator
Oscillator type Billiard table
Family Pinwheel
Number of cells 35
Bounding box 12×12
Period 4
Mod 1
Heat 4.0
Volatility 0.20
Strict volatility 0.20
Discovered by Simon Norton
Year of discovery 1970

See also

References
  1. "Catherine wheel". The Life Lexicon. Stephen Silver. Retrieved on December 3, 2018.
  2. Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.
  • 35P4.10 at Heinrich Koenig's Game of Life Object Catalogs
This article is issued from Conwaylife. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.