Difference between revisions of "R2D2"

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|pentadecathlonid = 29P8.2
 
|pentadecathlonid = 29P8.2
 
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'''R2D2''' is a {{period|8}} [[oscillator]] that was found in the form shown in the infobox at right, but not named, by [[Peter Raynham]] in the early 1970s. The name derives from a form with a larger and less symmetric [[stator]] discovered by [[Noam Elkies]] in August {{year|1994}}, shown below.
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'''R2D2''' is a {{period|8}} [[oscillator]] that was found in the form shown in the infobox at right, but not named, by [[Peter Raynham]] in the early 1970s. The name derives from a form with a larger and less symmetric [[stator]] discovered later by [[Noam Elkies]] in August {{year|1994}}, shown below.
  
 
[[File:R2d2alternatestator.png|frame|center|Elkies' R2D2 stator from 1994 (which inspired the name)]]
 
[[File:R2d2alternatestator.png|frame|center|Elkies' R2D2 stator from 1994 (which inspired the name)]]

Revision as of 20:17, 17 April 2019

R2D2
x = 11, y = 10, rule = B3/S23 5bo$4bobo$3bobobo$3bobobo$2obo3bob2o$2obo3bob2o$3bo3bo$3bobobo$4bobo$ 5bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]]
Pattern type Oscillator
Oscillator type Billiard table
Number of cells 29
Bounding box 11×10
Period 8
Mod 4
Heat 2.0
Volatility 0.22
Strict volatility 0.22
Discovered by Peter Raynham
Year of discovery Unknown

R2D2 is a period 8 oscillator that was found in the form shown in the infobox at right, but not named, by Peter Raynham in the early 1970s. The name derives from a form with a larger and less symmetric stator discovered later by Noam Elkies in August 1994, shown below.

Elkies' R2D2 stator from 1994 (which inspired the name)

See also

External links

  • 29P8.2 at Heinrich Koenig's Game of Life Object Catalogs