Puffer 2: Difference between revisions
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{{Puffer| | {{Puffer | ||
'''Puffer 2''' was the second [[puffer]] to be found and was discovered by [[ | |name = Puffer 2 | ||
|pname = puffer2 | |||
|c = 22 | |||
|bx = 18 | |||
|by = 5 | |||
|dir = Orthogonal | |||
|p = 140 | |||
|s = c/2 | |||
|discoverer = Bill Gosper | |||
|discoveryear = 1971 | |||
|rulemin = B3/S23 | |||
|rulemax = B3/S23 | |||
|isorulemin = B3/S23 | |||
|isorulemax = B3/S23 | |||
|synthesis = 9 | |||
|synthesisRLE = true | |||
|plaintext = true | |||
|rle = true | |||
|viewerconfig = #C [[ ZOOM 20 AUTOSTART OFF ]] | |||
}} | |||
{{expand with|The [[Glider-producing puffer 2]], which produces [[glider]]s and [[Big S]] indefinitely}} | |||
'''Puffer 2''' was the second [[puffer]] to be found and was discovered by [[Bill Gosper]].<ref>{{CiteLifeline|vol=3|pages=page 6}}</ref> It is extremely [[dirty]] and its tail does not stabilize until [[generation]] 5533, after which it stays at [[period]] 140. It consists of a [[B-heptomino]] (shown here one generation before its standard form) [[escort]]ed by two [[lightweight spaceship]]s at a period of 20. Its [[debris]] can be stabilized by a third lightweight spaceship as in [[ecologist]], or a [[glider]] as in [[sidewinder]]. A [[pulsar]] is formed at the south-western side in generation 4957. | |||
{{EmbedViewer | |||
|position = left | |||
|pname = puffer2debris | |||
|viewerconfig = #C [[ ZOOM 3.6 Y 6 HEIGHT 480 THUMBSIZE 2 ]] | |||
|style = width:350px;hight:300px | |||
|caption = The [[debris]] of puffer 2 | |||
}} | |||
==See also== | ==See also== | ||
*[[Puffer 1]] | * [[Puffer 1]] | ||
* [[Backrake 2]] | |||
* [[Sidewinder]] | |||
* [[p112 puffer]] | |||
* [[54P12H6V0]] | |||
==References== | |||
<references /> | |||
==External links== | ==External links== | ||
* {{LinkLexicon|lex_p.htm#puffertrain}} | |||
{{LinkLexicon|lex_p.htm#puffertrain}} | |||
Latest revision as of 16:56, 21 February 2026
| Puffer 2 | |||||||||
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| Pattern type | Puffer | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Number of cells | 22 | ||||||||
| Bounding box | 18 × 5 | ||||||||
| Direction | Orthogonal | ||||||||
| Period | 140 | ||||||||
| Speed | c/2 | ||||||||
| Discovered by | Bill Gosper | ||||||||
| Year of discovery | 1971 | ||||||||
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This article needs to be expanded with: The Glider-producing puffer 2, which produces gliders and Big S indefinitely. |
Puffer 2 was the second puffer to be found and was discovered by Bill Gosper.[1] It is extremely dirty and its tail does not stabilize until generation 5533, after which it stays at period 140. It consists of a B-heptomino (shown here one generation before its standard form) escorted by two lightweight spaceships at a period of 20. Its debris can be stabilized by a third lightweight spaceship as in ecologist, or a glider as in sidewinder. A pulsar is formed at the south-western side in generation 4957.
See also
References
- ↑ Robert Wainwright (September 1971). Lifeline, vol 3, page 6.
External links
- Puffer 2 at the Life Lexicon