Shuttle: Difference between revisions

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{{Glossary}}
{{Glossary}}
A '''shuttle''' is an [[oscillator]] that consists of an [[active region]] moving back and forth between stabilizing objects. The most well-known and first discovered examples are the [[queen bee shuttle]] (which is sometimes referred to as ''the'' shuttle) and the [[twin bees shuttle]]. A large number of [[T-tetromino]] and [[pre-pulsar]] shuttles are known, including the p30 [[Eureka]]. [[Reflector]]s can be used to construct [[glider]] shuttles (see [[relay]]).
A '''shuttle''' is an [[oscillator]] in which an unstable object moves back and forth between stabilizing objects. The most well-known and first discovered examples are the [[queen bee shuttle]] (which is sometimes referred to as ''the'' shuttle) and the [[twin bees shuttle]]. A large number of [[T-tetromino]] and [[pre-pulsar]] shuttles are known, including the p30 [[Eureka]]. [[Reflector]]s can be used to construct [[glider]] shuttles (see [[relay]]).


{{EmbedViewer
{{EmbedViewer
|pname = transqueenbeeshuttle
|pname       = transqueenbeeshuttle
|viewerconfig = #C [[ THUMBSIZE 2 AUTOSTART GPS 25 ]]
|position    = center
|position    = center
|viewerconfig = #C [[ THUMBSIZE 2 AUTOSTART GPS 25 ]]
|caption      = queen bee shuttle
|caption      = queen bee shuttle
|style        = width:300px;
}}
}}


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==Glider shuttle==
==Glider shuttle==
A [[glider]] shuttle is a shuttle in which one or more gliders circulate in a repetitive pattern.
A [[glider]] shuttle is a shuttle in which one or more gliders circulate in a repetitive pattern.
<center>
 
{|
{|style="margin:auto;width:300px;"
|{{EmbedViewer
|{{EmbedViewer
|pname = p26glidershuttle
|pname       = p26glidershuttle
|viewerconfig = #C [[ THUMBSIZE 2 AUTOSTART GPS 25 ZOOM 8 HEIGHT 560 ]]
|position    = center
|position    = center
|viewerconfig = #C [[ THUMBSIZE 2 AUTOSTART GPS 25 ZOOM 8 HEIGHT 560 ]]
|caption      = [[p26 glider shuttle]]
|caption      = [[p26 glider shuttle]]
|style        = width:300px;
}}
}}
|{{EmbedViewer
|{{EmbedViewer
|pname = p88shuttle
|pname       = p88shuttle
|viewerconfig = #C [[ THUMBSIZE 2 AUTOSTART GPS 25 ZOOM 8 HEIGHT 560 ]]
|position    = center
|position    = center
|viewerconfig = #C [[ THUMBSIZE 2 AUTOSTART GPS 25 ZOOM 8 HEIGHT 560 ]]
|caption      = p88 glider shuttle (useful model for 8n [[SKOP]]s)
|caption      = p88 glider shuttle (useful model for 8n [[SKOP]]s)
|style        = width:300px;
}}
}}
|}
|}
</center>


== See also ==
== See also ==

Revision as of 16:35, 12 March 2023

A shuttle is an oscillator in which an unstable object moves back and forth between stabilizing objects. The most well-known and first discovered examples are the queen bee shuttle (which is sometimes referred to as the shuttle) and the twin bees shuttle. A large number of T-tetromino and pre-pulsar shuttles are known, including the p30 Eureka. Reflectors can be used to construct glider shuttles (see relay).

x = 22, y = 7, rule = B3/S23 9bo$7bobo$6bobo11b2o$2o3bo2bo11b2o$2o4bobo$7bobo$9bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 AUTOSTART GPS 25 ]]
queen bee shuttle
(click above to open LifeViewer)
RLE: here Plaintext: here

Simple shuttles commonly have a period that is a multiple of 2, but asymmetric shuttles are also known, in which one end is stabilized by a different period mechanism from the other.

Glider shuttle

A glider shuttle is a shuttle in which one or more gliders circulate in a repetitive pattern.

[[:RLE:P26glidershuttle]] #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 AUTOSTART GPS 25 ZOOM 8 HEIGHT 560 ]]
p26 glider shuttle
(click above to open LifeViewer)
RLE: here Plaintext: here
x = 32, y = 32, rule = B3/S23 2bo10bo2bo$b3o13bo$3obo13b2o$bo3bo6bob2o6bo$2bo3bo5bo2bo3bo$3bob3o3bo 3bob3o$4b3o3bo11bo$5bo7b3obo3bo$13bo3bo2bo$10bo6b2obo$8bo4b2o$7b2o6bo$ 7bobo6bo2bo3$2b2o$bobo$bo$2o23bo2bo$24bo$22b2o$19bo6b2obo$8b2o4b2o6bo 3bo2bo$8b2o4b2o6b3obo3bo$19bo11bo$20bo3bob3o$7bob2o3b2o5bo2bo3bo$7bobo 4b2o5bob2o6bo$8bo18b2o$8b2o16bo$8b2o12bo2bo$8b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 AUTOSTART GPS 25 ZOOM 8 HEIGHT 560 ]]
p88 glider shuttle (useful model for 8n SKOPs)
(click above to open LifeViewer)
RLE: here Plaintext: here

See also