Difference between revisions of "Quad"

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m (update synth cost)
(This is wrong – mold also satisfies the constraints)
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|pentadecathlonid = 16P2.19
 
|pentadecathlonid = 16P2.19
 
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'''Quad''' (or '''barberpole intersection'''<ref>{{cite web|url=http://www.ericweisstein.com/encyclopedias/life/Quad.html|title=Quad|publisher=Eric Weisstein's Treasure Trove of Life|author=Eric Weisstein|accessdate=May 1, 2009}}</ref>) is a [[period]] [[:Category:Oscillators with period 2|2]] [[oscillator]] and [[muttering moat]] that was found in April [[:Category:Patterns found in 1971|1971]] by [[:Category:Patterns found by Robert Kraus|Robert Kraus]]. It has the same rotor as the [[clock]]. It is the only [[flipper]] that fits inside a 6 &times; 6 [[bounding box]].
+
'''Quad''' (or '''barberpole intersection'''<ref>{{cite web|url=http://www.ericweisstein.com/encyclopedias/life/Quad.html|title=Quad|publisher=Eric Weisstein's Treasure Trove of Life|author=Eric Weisstein|accessdate=May 1, 2009}}</ref>) is a [[period]] [[:Category:Oscillators with period 2|2]] [[oscillator]] and [[muttering moat]] that was found in April [[:Category:Patterns found in 1971|1971]] by [[:Category:Patterns found by Robert Kraus|Robert Kraus]]. It has the same rotor as the [[clock]]. It and [[mold]] are the only [[flipper]]s that fit inside a 6 &times; 6 [[bounding box]].
  
 
==See also==
 
==See also==

Revision as of 14:52, 10 May 2019

Quad
2o2b2o$obo2bo$4bo$bo$o2bobo$2o2b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ LOOP 2 GPS 2 THUMBSIZE 2 ]]
Pattern type Oscillator
Oscillator type Muttering moat
Family Barberpole
Number of cells 16
Bounding box 6×6
Period 2
Mod 1
Heat 8
Volatility 0.40
Strict volatility 0.40
Rotor type Clock
Discovered by Robert Kraus
Year of discovery 1971

Quad (or barberpole intersection[1]) is a period 2 oscillator and muttering moat that was found in April 1971 by Robert Kraus. It has the same rotor as the clock. It and mold are the only flippers that fit inside a 6 × 6 bounding box.

See also

References

  1. Eric Weisstein. "Quad". Eric Weisstein's Treasure Trove of Life. Retrieved on May 1, 2009.

External links

  • 16P2.19 at Heinrich Koenig's Game of Life Object Catalogs