Difference between revisions of "Smiley"

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|rle              = true
|rle              = true
|animated        = true
|animated        = true
|viewerconfig    = #C [[ LOOP 8 GPS 4 THUMBSIZE 2 ]]
|apgcode          = xp8_2erore2z07x7
|apgcode          = xp8_2erore2z07x7
|pentadecathlonid = 17P8.1
|pentadecathlonid = 17P8.1

Revision as of 14:35, 16 May 2019

Smiley
x = 7, y = 7, rule = B3/S23 3ob3o$bobobo2$bo3bo2$obobobo$2bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ LOOP 8 GPS 4 THUMBSIZE 2 ]]
Pattern type Oscillator
Number of cells 17
Bounding box 7 × 8
Frequency class 42.4
Period 8
Mod 4
Heat 22.5
Volatility 1.00
Strict volatility 1.00
Discovered by Achim Flammenkamp
Year of discovery 1994

Smiley is a period 8 oscillator that was found by Achim Flammenkamp in July 1994 and named by Alan Hensel.

In November 1994 Mark Niemiec noticed that its sparks can interact in boring, but non-trivial ways with other oscillators, optionally creating oscillators of higher periods.[1]

Synthesis

A 28-glider synthesis for it was discovered in January 2008 by Jason Summers.[2] In August 2015 Matthias Merzenich proposed an 8-glider synthesis based on a soup found by Adam P. Goucher using distributed apgsearch.[3]

Commonness

On Catagolue, it is the fourth most common period 8 oscillator, being less common than Coe's p8 but slightly more common than Achim's p8.[4]

Image gallery

Generation 2 reveals the reason for smiley's name

References

  1. Mark Niemiec (November 1, 1994). "More straw". Retrieved on October 8, 2015.
  2. H. Koenig. "Oscillator Construction". Game of Life News. Retrieved on May 2, 2009.
  3. Matthias Merzenich (August 8, 2015). "Re: Soup search results". Retrieved on September 18, 2015.
  4. Adam P. Goucher. "Statistics". Catagolue. Retrieved on October 27, 2018.

External links

Template:LinkWeisstein