Four boats
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| Four boats | |||||||||
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| Pattern type | Oscillator | ||||||||
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| Oscillator type | Babbling brook | ||||||||
| Billiard table | |||||||||
| Number of cells | 16 | ||||||||
| Bounding box | 8 × 8 | ||||||||
| Frequency class | 33.5 | ||||||||
| Period | 2 | ||||||||
| Mod | 2 | ||||||||
| Heat | 4 | ||||||||
| Volatility | 0.20 | ||||||||
| Strict volatility | 0.20 | ||||||||
| Rotor type | Diagonal on-off | ||||||||
| Discovered by | Unknown | ||||||||
| Year of discovery | Unknown | ||||||||
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Four boats (or hourglass[1]) is a period 2 oscillator, which is composed of four boats in one of its phases. It has two diagonal on-off rotors enclosed by a common stator. While the two rotors are not connected, the stability of the stator still requires them to be in the same phase.
Image gallery
File:4boatsorigin.png The on phase of this oscillator, the one which led to naming it four boats. |
See also
References
- ↑ Mark D. Niemiec. "Life objects sorted by name". Retrieved on April 30, 2009.
External links
- 4 boats at the Life Lexicon
- 16P2.98 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Patterns with Catagolue frequency class 33
- Natural periodic objects
- Oscillators with 16 cells
- Periodic objects with minimum population 16
- Patterns with 16 cells
- Patterns that can be constructed with 6 gliders
- Oscillators
- Babbling brooks
- Billiard tables
- Oscillators with period 2
- Oscillators with mod 2
- Oscillators with heat 4
- Oscillators with volatility 0.20
- Oscillators with strict volatility 0.20
- Oscillators with rotor Diagonal on-off
- Patterns with rectangular diagonal symmetry