Scrubber: Difference between revisions
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{{Oscillator|p=2|c=28|bx=11|by=11|h=4|name=Scrubber|pname=scrubber|discoveryear=1971||life105=true|life106=true|plaintext=true|rle=true|animated=true}} | {{Oscillator|p=2|c=28|bx=11|by=11|h=4|name=Scrubber|pname=scrubber|discoveryear=1971||life105=true|life106=true|plaintext=true|rle=true|animated=true}} | ||
'''Scrubber''' is a [[period]] [[:Category:Oscillators with period 2|2]] [[oscillator]] that was found in [[:Category:Patterns found in 1971|1971]]. It is a [[billiard table configuration]] with a 4-cell [[rotor]]. | '''Scrubber''' is a [[period]] [[:Category:Oscillators with period 2|2]] [[oscillator]] that was found in [[:Category:Patterns found in 1971|1971]]. It is a [[billiard table configuration]] with a 4-cell [[rotor]]. If its nucleus, which is a ring of four blinkers, is not constrained it will expand after two generations into a traffic light. | ||
Placing two nuclei side by side is a form of constraint. Separated by the width of a single cell they can be packed rather arbitrarily into a square lattice, for which an overall constraint is still necessary. The interiors of nuclei separated by the width of two cells are still protected, but the nuclei act like spark coils. Glasses constitutes a binary instance of the arrangement, which can be elaborated as much as desired within a square lattice. Boundary constraint is still required. Incommensurability of the widths would preclude mixing single and double spacing except along a linear chain which could even be bounded by spark coils. | |||
==See also== | ==See also== | ||
*[[Glasses]] | *[[Glasses]] | ||
Revision as of 19:25, 12 September 2009
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| Pattern type | Oscillator | ||||||
|---|---|---|---|---|---|---|---|
| Number of cells | 28 | ||||||
| Bounding box | 11 × 11 | ||||||
| Period | 2 (mod: Unknown) | ||||||
| Heat | 4 | ||||||
| Volatility | Unknown | Unknown | ||||||
| Kinetic symmetry | Unspecified | ||||||
| Discovered by | Unknown | ||||||
| Year of discovery | 1971 | ||||||
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Scrubber is a period 2 oscillator that was found in 1971. It is a billiard table configuration with a 4-cell rotor. If its nucleus, which is a ring of four blinkers, is not constrained it will expand after two generations into a traffic light.
Placing two nuclei side by side is a form of constraint. Separated by the width of a single cell they can be packed rather arbitrarily into a square lattice, for which an overall constraint is still necessary. The interiors of nuclei separated by the width of two cells are still protected, but the nuclei act like spark coils. Glasses constitutes a binary instance of the arrangement, which can be elaborated as much as desired within a square lattice. Boundary constraint is still required. Incommensurability of the widths would preclude mixing single and double spacing except along a linear chain which could even be bounded by spark coils.
See also
External links
- Scrubber at the Life Lexicon