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{{LinkLexicon|lex_b.htm#beacon}} | {{LinkLexicon|lex_b.htm#beacon}} | ||
[[Category:Patterns with diagonal D2 symmetry]] | [[Category:Patterns with diagonal D2 symmetry]] | ||
[[Category:Eaters]] | |||
Revision as of 00:57, 4 April 2014
| Beacon | |||||||
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| Pattern type | Oscillator | ||||||
|---|---|---|---|---|---|---|---|
| Number of cells | 6 | ||||||
| Bounding box | 4 × 4 | ||||||
| Period | 2 (mod: Unknown) | ||||||
| Heat | 2 | ||||||
| Volatility | 0.25 | 0.25 | ||||||
| Kinetic symmetry | Unspecified | ||||||
| Discovered by | John Conway | ||||||
| Year of discovery | 1970 | ||||||
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The beacon is the third most common oscillator (after the blinker and toad).[1] It was found by John Conway in March 1970.
The beacon is the simplest on-off. Its rotor, known as diagonal on-off, can be supported by several different stators: the two next-smallest are seen in eater plug and 21P2.
As An Eater
A beacon can be used as an eater for any even number of gliders when they collide into it as pictured below. It converts one glider of a set of two and then uses second to destroy the boat it has created.
See also
References
- ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
External links
- Beacon at the Life Lexicon
Categories:
- Patterns
- Oscillators with 6 cells
- Periodic objects with minimum population 6
- Patterns with 6 cells
- Patterns found by John Conway
- Patterns found in 1970
- Patterns that can be constructed with 3 gliders
- Oscillators
- Oscillators with period 2
- Oscillators with heat 2
- Oscillators with volatility 0.25
- Oscillators with strict volatility 0.25
- Patterns with diagonal D2 symmetry
- Eaters