Difference between revisions of "Quad"
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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 × 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 is the only [[flipper]] that fits inside a 6 × 6 [[bounding box]]. | ||
Revision as of 21:35, 1 July 2016
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| Pattern type | Oscillator | ||||||||
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| Number of cells | 16 | ||||||||
| Bounding box | 6 × 6 | ||||||||
| Period | 2 | ||||||||
| Mod | Unknown | ||||||||
| Heat | 8 | ||||||||
| Volatility | 0.40 | ||||||||
| Strict volatility | 0.40 | ||||||||
| Discovered by | Robert Kraus | ||||||||
| Year of discovery | 1971 | ||||||||
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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 is the only flipper that fits inside a 6 × 6 bounding box.
See also
References
External links
- Quad at the Life Lexicon
- Quad at Adam P. Goucher's Catagolue
Categories:
- Patterns
- Oscillators with 16 cells
- Periodic objects with minimum population 16
- Patterns with 16 cells
- Patterns found by Robert Kraus
- Patterns found in 1971
- Patterns that can be constructed with 16 gliders
- Oscillators
- Oscillators with period 2
- Oscillators with heat 8
- Oscillators with volatility 0.40
- Oscillators with strict volatility 0.40
- Patterns with 90-degree rotation symmetry
- Flipping oscillators