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'''Block on [[griddle]]''' (or '''singular flip flop''') is a {{period|2}} [[oscillator]] that was discovered by [[Robert Wainwright]] in July {{year|1972}}.<ref>{{CiteHickersonOscillators|accessdate=March 14, 2020}}</ref> | '''Block on [[griddle]]''' (or '''singular flip flop''') is a {{period|2}} [[oscillator]] that was discovered by [[Robert Wainwright]] in July {{year|1972}}.<ref>{{CiteHickersonOscillators|accessdate=March 14, 2020}}</ref> | ||
==[[List of common oscillators|Commonness]]== | == [[List of common oscillators|Commonness]] == | ||
Block on griddle is about the thirty-sixth most [[common]] naturally-occurring oscillator in [[Achim Flammenkamp's census]], being slightly less common than the [[cis-beacon down on long hook]], approximately as common as the [[boat on spark coil]], and more common than [[fore and back]] and [[21P2]].<ref>{{citeAchim|accessdate=January 15, 2009}}</ref> | Block on griddle is about the thirty-sixth most [[common]] naturally-occurring oscillator in [[Achim Flammenkamp's census]], being slightly less common than the [[cis-beacon down on long hook]], approximately as common as the [[boat on spark coil]], and more common than [[fore and back]] and [[21P2]].<ref>{{citeAchim|accessdate=January 15, 2009}}</ref> | ||
==Synthesis== | == Synthesis == | ||
In October 2014, Ivan Fomichev found a 6-glider synthesis for this pattern based on a soup from [[Adam P. Goucher]]'s apgsearch script.<ref>{{cite web|url=https://www.conwaylife.com/forums/viewtopic.php?f=2&t=1452#p13679|title=Soup search results|date=|accessdate=November 9, 2014}}</ref> A {{gliders|5|brief}}-glider synthesis was found in July {{year|2020}}.<ref name="post100652" /> | In October 2014, Ivan Fomichev found a 6-glider synthesis for this pattern based on a soup from [[Adam P. Goucher]]'s apgsearch script.<ref>{{cite web|url=https://www.conwaylife.com/forums/viewtopic.php?f=2&t=1452#p13679|title=Soup search results|date=|accessdate=November 9, 2014}}</ref> A {{gliders|5|brief}}-glider synthesis was found in July {{year|2020}}.<ref name="post100652" /> | ||
==See also== | == See also == | ||
*[[Block]] | * [[Block]] | ||
*[[Beehive on griddle]] | * [[Beehive on griddle]] | ||
*[[Boat on griddle]] | * [[Boat on griddle]] | ||
*[[Blocks on griddle]] | * [[Blocks on griddle]] | ||
==References== | == References == | ||
<references> | <references> | ||
<ref name="post100652">{{LinkForumThread | <ref name="post100652">{{LinkForumThread | ||
| Line 53: | Line 53: | ||
</references> | </references> | ||
==External links== | == External links == | ||
{{LinkLexicon|lex_s.htm#singularflipflop|name=Singular flip-flop}} | {{LinkLexicon|lex_s.htm#singularflipflop|name=Singular flip-flop}} | ||
{{LinkCatagolue|xp2_c8b8aczw33}} | {{LinkCatagolue|xp2_c8b8aczw33}} | ||
Revision as of 21:32, 23 December 2021
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| Pattern type | Oscillator | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Family | Griddle | ||||||||
| Number of cells | 15 | ||||||||
| Bounding box | 6 × 7 | ||||||||
| Frequency class | 30.0 | ||||||||
| Period | 2 (mod: 1) | ||||||||
| Heat | 6 | ||||||||
| Volatility | 0.33 | 0.33 | ||||||||
| Kinetic symmetry | Unspecified | ||||||||
| Rotor type | Flutter | ||||||||
| Discovered by | Robert Wainwright | ||||||||
| Year of discovery | 1972 | ||||||||
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Block on griddle (or singular flip flop) is a period-2 oscillator that was discovered by Robert Wainwright in July 1972.[1]
Block on griddle is about the thirty-sixth most common naturally-occurring oscillator in Achim Flammenkamp's census, being slightly less common than the cis-beacon down on long hook, approximately as common as the boat on spark coil, and more common than fore and back and 21P2.[2]
Synthesis
In October 2014, Ivan Fomichev found a 6-glider synthesis for this pattern based on a soup from Adam P. Goucher's apgsearch script.[3] A 5-glider synthesis was found in July 2020.[4]
See also
References
- ↑ Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.
- ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
- ↑ "Soup search results". Retrieved on November 9, 2014.
- ↑ Ian07 (July 18, 2020). Re: Randomly enumerating glider syntheses (discussion thread) at the ConwayLife.com forums
External links
- Singular flip-flop at the Life Lexicon
- 15P2.28 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Patterns with Catagolue frequency class 30
- Natural periodic objects
- Oscillators with 15 cells
- Periodic objects with minimum population 15
- Patterns with 15 cells
- Patterns found by Robert Wainwright
- Patterns found in 1972
- Patterns that can be constructed with 5 gliders
- Oscillators
- Griddle variants
- Oscillators with period 2
- Oscillators with mod 1
- Oscillators with heat 6
- Oscillators with volatility 0.33
- Oscillators with strict volatility 0.33
- Oscillators with rotor Flutter
- Flipping oscillators