Block: Difference between revisions
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*[[Blockade]] | *[[Blockade]] | ||
*[[List of common still lifes]] | *[[List of common still lifes]] | ||
*[[Pre-block]] | |||
==References== | ==References== | ||
Revision as of 18:30, 11 April 2009
| Block | |||||||
| View static image | |||||||
| Pattern type | Strict still life | ||||||
|---|---|---|---|---|---|---|---|
| Number of cells | 4 | ||||||
| Bounding box | 2 × 2 | ||||||
| Static symmetry | Unspecified | ||||||
| Discovered by | John Conway | ||||||
| Year of discovery | 1970 | ||||||
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Block is an extremely well-known and common still life that was found by John Conway in 1970. In terms of its 4 cells it is tied with tub as the smallest still life, and in terms of its 2×2 bounding box it is the outright the smallest. It is also the most common still life, occurring almost twice as often as beehive, the next most common still life.[1]
The block was one of the patterns described in the original 1970 article by Martin Gardner that introduced the Game of Life to the world.
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
- Block at the Life Lexicon
- The fantastic combinations of John Conway's new solitaire game "life" by Martin Gardner