Quad
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| Quad | |||||||||
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| Pattern type | Oscillator | ||||||||
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| 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 | ||||||||
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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
- 16P2.19 at Heinrich Koenig's Game of Life Object Catalogs
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 10 gliders
- Oscillators
- Barberpole variants
- Muttering moats
- Oscillators with period 2
- Oscillators with mod 1
- Oscillators with heat 8
- Oscillators with volatility 0.40
- Oscillators with strict volatility 0.40
- Oscillators with rotor Clock
- Patterns with 90-degree rotation symmetry
- Flipping oscillators