Circle of fire
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| Circle of fire | |||||||||
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| Pattern type | Oscillator | ||||||||
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| Oscillator type | Muttering moat | ||||||||
| Family | Clock | ||||||||
| Number of cells | 42 | ||||||||
| Bounding box | 11 × 11 | ||||||||
| Period | 2 | ||||||||
| Mod | 1 | ||||||||
| Heat | 28 | ||||||||
| Volatility | 0.50 | ||||||||
| Strict volatility | 0.50 | ||||||||
| Discovered by | Mark Niemiec | ||||||||
| Year of discovery | 1973 | ||||||||
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Circle of fire is a period-2 oscillator discovered by Mark Niemiec in 1973.[1] A large muttering moat, it looks like a cross-shaped pattern hassling four gliders.
A glider synthesis for this oscillator was completed in August 2021,[2] using a final step found by praosylen in June 2020.[3]
See also
References
- ↑ Robert Wainwright (September 1973). Lifeline, vol 11, page 14.
- ↑ wwei23 (August 5, 2021). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
- ↑ praosylen (June 18, 2020). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
External links
- Circle of fire at Adam P. Goucher's Catagolue
- 42P2.521 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Oscillators with 42 cells
- Periodic objects with minimum population 42
- Patterns with 42 cells
- Patterns found by Mark Niemiec
- Patterns found in 1973
- Patterns that can be constructed with between 200 and 299 gliders
- Oscillators
- Clock variants
- Muttering moats
- Oscillators with period 2
- Oscillators with mod 1
- Oscillators with heat 28
- Oscillators with volatility 0.50
- Oscillators with strict volatility 0.50
- Patterns with rectangular orthogonal symmetry
- Semi-natural periodic objects