Why not
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| Why not | |||||||||
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| Pattern type | Oscillator | ||||||||
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| Number of cells | 14 | ||||||||
| Bounding box | 7 × 7 | ||||||||
| Frequency class | 39.9 | ||||||||
| Period | 2 (mod: 2) | ||||||||
| Heat | 15 | ||||||||
| Volatility | 0.68 | 0.68 | ||||||||
| Kinetic symmetry | -c | ||||||||
| Discovered by | David Buckingham | ||||||||
| Year of discovery | 1977 | ||||||||
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Why not is a period-2 oscillator found by David Buckingham in July 1977.[1]
This oscillator resembles by flops very strongly; indeed, by flops can be transformed into why not simply by placing an extra cell at one of the two Y-shaped appendages at a given side. Performing this on both sides gives why bother.
It first appeared naturally on April 15, 2015, in a soup submitted to Catagolue by Brett Berger.[2] Roughly 1 in 146 billion soups contain this oscillator in their ash.
Goldtiger997 found an 8-glider synthesis for the oscillator on August 23, 2016,[3] and reduced the cost to 7 gliders on January 21, 2019 with a new script for 3-glider collisions.[4]
References
- ↑ Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.
- ↑ Brett Berger (April 16, 2015). Re: Soup search results (discussion thread) at the ConwayLife.com forums
- ↑ Goldtiger997 (August 23, 2016). Re: Soup search results (discussion thread) at the ConwayLife.com forums
- ↑ Goltiger997 (January 21, 2019). Re: Thread for your unsure discoveries (discussion thread) at the ConwayLife.com forums
External links
- Why not at the Life Lexicon
- 14P2.20 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Patterns with Catagolue frequency class 39
- Natural periodic objects
- Oscillators with 14 cells
- Periodic objects with minimum population 14
- Patterns with 14 cells
- Patterns found by David Buckingham
- Patterns found in 1977
- Patterns that can be constructed with 7 gliders
- Oscillators
- Oscillators with period 2
- Oscillators with mod 2
- Oscillators with heat 15
- Oscillators with volatility 0.68
- Oscillators with strict volatility 0.68
- Oscillators with -c symmetry