Pre-block: Difference between revisions
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'''Pre-block''' (or '''latent block'''), a [[triomino]], is a common [[parent]] of the [[block]]. Given its compactness and distinctive form, it is a recognizable component of many other patterns, such as [[boat]], [[ship]], [[aircraft carrier]], [[block and glider]] or [[snake]]; a mirrored pair comprise one phase of a [[beacon]]. | '''Pre-block''' (or '''latent block'''), a [[triomino]], is a common [[parent]] of the [[block]]. Given its compactness and distinctive form, it is a recognizable component of many other patterns, such as [[boat]], [[ship]], [[aircraft carrier]], [[block and glider]] or [[snake]]; a mirrored pair comprise one phase of a [[beacon]]. | ||
Revision as of 16:05, 1 April 2023
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| Pattern type | Still life component | ||||||||
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| Number of cells | 3 | ||||||||
| Bounding box | 2 × 2 | ||||||||
| Static symmetry | Unspecified | ||||||||
| Discovered by | John Conway | ||||||||
| Year of discovery | 1969 | ||||||||
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Pre-block (or latent block), a triomino, is a common parent of the block. Given its compactness and distinctive form, it is a recognizable component of many other patterns, such as boat, ship, aircraft carrier, block and glider or snake; a mirrored pair comprise one phase of a beacon.
The pre-block is similar to the tub, boat, beehive and such in the sense that it can be augmented with items like tails, as in eater 1 and integral sign.
In terms of its 3 cells, it is the smallest induction coil.
A glider hitting a pre-block can produce a LWSS or MWSS; this is detailed in pre-pre-block.
Pre-block can be infinitely extended, as illustrated by the following:
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See also
External links
- Pre-block at the Life Lexicon