p50 glider shuttle
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| p50 glider shuttle | |||||||
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| Pattern type | Oscillator | ||||||
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| Number of cells | 188 | ||||||
| Bounding box | 33 × 33 | ||||||
| Period | 50 (mod: Unknown) | ||||||
| Heat | 40.7 | ||||||
| Volatility | 0.57 | Unknown | ||||||
| Kinetic symmetry | Unspecified | ||||||
| Discovered by | Dean Hickerson | ||||||
| Year of discovery | 1992 | ||||||
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The p50 glider shuttle is a period-50 shuttle oscillator found in its original form by Dean Hickerson on March 3, 1992[1] and was the first period-50 oscillator to be discovered. Its original form used an early version of toaster and was based on a period-66 oscillator discovered by Robert Wainwright in September, 1984. The oscillator works by using two copies of eater 3 and four copies of a period-5 sparker found by Noam Elkies to shuttle two gliders back and forth. By increasing the distance between the two reflectors, oscillators of periods 50 + 40n can be created. In March, 1992 Hickerson created a related oscillator by crossing two pairs of gliders using rephasers, which allowed the construction of oscillators of periods 230 + 40n.
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See also
References
- ↑ Dean Hickerson's oscillator stamp collection. Retrieved on July 21, 2010.
External links
Categories:
- Patterns
- Oscillators with between 180 and 189 cells
- Periodic objects with minimum population between 180 and 189
- Patterns with between 180 and 189 cells
- Patterns found by Dean Hickerson
- Patterns found in 1992
- Oscillators
- Oscillators with period 50
- Oscillators with heat 40
- Oscillators with volatility 0.57
- Patterns with bilateral diagonal symmetry
- Flipping oscillators