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|pentadecathlonid = 40P9.2
|pentadecathlonid = 40P9.2
}}
}}
'''Snacker''' is a {{period|9}} oscillator consisting of a [[pentadecathlon]] [[hassle]]d by four [[eater 1]]s, found by [[Mark Niemiec]] in {{year|1972}}.<ref>{{CiteLifeline|vol=9|pages=page 3}}</ref><ref>{{CiteHickersonOscillators|accessdate=March 14, 2020}}</ref>
'''Snacker''' is a {{period|9}} oscillator in which four [[eater 1]]s [[hassle]] a [[pentadecathlon]], found by [[Mark Niemiec]] in {{year|1972}}.<ref>{{CiteLifeline|vol=9|pages=page 3}}</ref><ref>{{CiteHickersonOscillators|accessdate=March 14, 2020}}</ref>


The snacker produces [[domino]] [[spark]]s, which can be used for a [[p36 toad hassler]]. In other cases they may be rather inaccessible due to the eaters. By putting more pentadecathlons, the snacker is extensible as shown below, whose spark is more accessible. This leads to the first {{period|18}} oscillator, [[117P18]]. Stronger domino sparkers are also found, for example [[50P9]] and [[104P9]].
The snacker produces [[domino]] [[spark]]s, which can be used for a [[p36 toad hassler]]. In other cases the sparks are largely inaccessible due to the eaters; however, the snacker can be extended by putting more pentadecathlons as shown below, and so a more accessible period 9 domino spark can be obtained -- this method was used to create the first {{period|18}} oscillator, [[117P18]]. Stronger domino sparkers are also known, for example [[50P9]] and [[104P9]].


This oscillator first appeared [[semi-natural]]ly in the form stabilized by [[fourteener]]s instead of eater 1s in March {{year|2016}}.<ref name="post29415" />
This oscillator first appeared [[semi-natural]]ly in the form stabilized by [[fourteener]]s instead of eater 1s in March {{year|2016}}.<ref name="post29415" />


{{EmbedViewer
{{EmbedViewer
|pname = extendedsnacker
|pname       = extendedsnacker
|viewerconfig = #C [[ AUTOSTART GPS 3 LOOP 9 THUMBLAUNCH THUMBSIZE 2 THEME 6 ZOOM 12 HEIGHT 320 WIDTH 600  ]]
|position    = center
|position    = center
|viewerconfig = #C [[ AUTOSTART GPS 3 LOOP 9 THUMBLAUNCH THUMBSIZE 2 THEME 6 ZOOM 12 HEIGHT 320 WIDTH 600  ]]
|caption      = Additional pentadecathlons can be added to extend snacker. The alternate stabilization on the right was found by Dean Hickerson in April 1998
|caption      = Additional pentadecathlons can be added to extend snacker.<br/> The alternate stabilization on the right was found by Dean Hickerson in April 1998.<br />
|style        = width:300px;
}}
}}


==See also==
==See also==
*[[Worker bee]]
* [[Worker bee]]
*[[Period-54 glider gun]], which uses a snacker
* [[Period-54 glider gun]], which uses a snacker
* [[p29 pentadecathlon hassler]]


==References==
==References==
Line 48: Line 49:
<ref name="post29415">{{LinkForumThread
<ref name="post29415">{{LinkForumThread
|format = ref
|format = ref
|p      = 29415
|title  = Re: Soup search results
|title  = Re: Soup search results
|p      = 29415
|author = thunk
|author = thunk
|date  = March 28, 2016
|date  = March 28, 2016
Line 56: Line 57:


==External links==
==External links==
{{LinkLexicon|lex_s.htm#snacker}}
* {{LinkLexicon|lex_s.htm#snacker}}
{{LinkCatagolue|xp9_32acxca23zy04r4zy04r4zo8a6x6a8o}}
* {{LinkCatagolue|xp9_32acxca23zy04r4zy04r4zo8a6x6a8o}}
{{LinkPentadecathlonObject|40P9.2}}
* {{LinkPentadecathlonObject|40P9.2}}


{{Symmetry|orthogonal4}}
{{Symmetry|orthogonal4}}

Revision as of 19:22, 21 March 2023

Snacker
2o16b2o$bo16bob$bobo12bobob$2b2o12b2o2b$7bo4bo7b$5b2ob4ob2o5b$7bo4bo7b $2b2o12b2o2b$bobo12bobob$bo16bob$2o16b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ GPS 3 LOOP 9 THUMBSIZE 4 WIDTH 800 HEIGHT 480 ]]
View animated image
View static image
Pattern type Oscillator
Number of cells 40
Bounding box 20 × 11
Period 9 (mod: 9)
Heat 26.2
Volatility 0.77 | 0.77
Kinetic symmetry Unspecified
Discovered by Mark Niemiec
Year of discovery 1972

Snacker is a period-9 oscillator in which four eater 1s hassle a pentadecathlon, found by Mark Niemiec in 1972.[1][2]

The snacker produces domino sparks, which can be used for a p36 toad hassler. In other cases the sparks are largely inaccessible due to the eaters; however, the snacker can be extended by putting more pentadecathlons as shown below, and so a more accessible period 9 domino spark can be obtained -- this method was used to create the first period-18 oscillator, 117P18. Stronger domino sparkers are also known, for example 50P9 and 104P9.

This oscillator first appeared semi-naturally in the form stabilized by fourteeners instead of eater 1s in March 2016.[3]

x = 34, y = 11, rule = B3/S23 2o$bo$bobo25b2o$2b2o23bo2bo$7bo4bo14b3o$5b2ob4ob2o3bo4bo6b3o$7bo4bo3b 2ob4ob2o3bo3bo$2b2o14bo4bo6b3o$bobo23b3o$bo25bo2bo$2o27b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART GPS 3 LOOP 9 THUMBLAUNCH THUMBSIZE 2 THEME 6 ZOOM 12 HEIGHT 320 WIDTH 600 ]]
Additional pentadecathlons can be added to extend snacker. The alternate stabilization on the right was found by Dean Hickerson in April 1998
(click above to open LifeViewer)
RLE: here Plaintext: here

See also

References

  1. ↑ Robert Wainwright (March 1973). Lifeline, vol 9, page 3.
  2. ↑ Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.
  3. ↑ thunk (March 28, 2016). Re: Soup search results (discussion thread) at the ConwayLife.com forums
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