Difference between revisions of "Smiley"
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{{Oscillator|name=Smiley|pname=smiley|c=17|p=8|bx=7|by=8|h=22.5|v=1.00|discoverer=Achim Flammenkamp|discoveryear=1994|animated=yes|life105=true|life106=true|plaintext=true|rle=true|synthesis=8|synthesisRLE=true}} | {{Oscillator|name=Smiley|pname=smiley|c=17|p=8|bx=7|by=8|h=22.5|v=1.00|discoverer=Achim Flammenkamp|discoveryear=1994|animated=yes|life105=true|life106=true|plaintext=true|rle=true|synthesis=8|synthesisRLE=true|rulespecial=[[Conway's Game of Life|Conway Life]]|rulemin=B3/S23|rulemax=B378/S23678}} | ||
'''Smiley''' is a [[period]] [[:Category:Oscillators with period 8|8]] [[oscillator]] that was found by [[Achim Flammenkamp]] in July [[:Category:Patterns found in 1994|1994]] and named by [[Alan Hensel]]. | '''Smiley''' is a [[period]] [[:Category:Oscillators with period 8|8]] [[oscillator]] that was found by [[Achim Flammenkamp]] in July [[:Category:Patterns found in 1994|1994]] and named by [[Alan Hensel]]. | ||
Revision as of 15:42, 16 May 2016
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| Pattern type | Oscillator | ||||||
|---|---|---|---|---|---|---|---|
| Number of cells | 17 | ||||||
| Bounding box | 7 × 8 | ||||||
| Period | 8 | ||||||
| Mod | Unknown | ||||||
| Heat | 22.5 | ||||||
| Volatility | 1.00 | ||||||
| Strict volatility | Unknown | ||||||
| Discovered by | Achim Flammenkamp | ||||||
| Year of discovery | 1994 | ||||||
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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]
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]
Image gallery
 Generation 2 reveals the reason for smiley's name |
References
- ↑ Mark Niemiec (November 1, 1994). "More straw". Retrieved on October 8, 2015.
- ↑ H. Koenig. "Oscillator Construction". Game of Life News. Retrieved on May 2, 2009.
- ↑ Matthias Merzenich (August 8, 2015). "Re: Soup search results". Retrieved on September 18, 2015.
External links
- Smiley at the Life Lexicon
Categories:
- Patterns
- Oscillators with 17 cells
- Periodic objects with minimum population 17
- Patterns with 17 cells
- Patterns found by Achim Flammenkamp
- Patterns found in 1994
- Patterns that can be constructed with 8 gliders
- Oscillators
- Oscillators with period 8
- Oscillators with heat 22
- Oscillators with volatility 1.00
- Sparking oscillators
- Patterns with bilateral orthogonal symmetry
- Flipping oscillators