Pufferfish: Difference between revisions
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|[[Image:Pufferfishcompanion.png|framed|left|Pufferfish with a companion (p36 puffer)<br />{{JavaRLE|pufferfishcompanion}}]] | |[[Image:Pufferfishcompanion.png|framed|left|Pufferfish with a companion (p36 puffer)<br />{{JavaRLE|pufferfishcompanion}}]] | ||
|[[Image:Pufferfishspaceship.png|framed|left|Pufferfish-based p36 spaceship<br />{{JavaRLE|pufferfishspaceship}}]] | |||
|[[Image:Pufferfishrake.png|framed|left|Pufferfish-based p36 rake<br />{{JavaRLE|pufferfishrake}}]] | |[[Image:Pufferfishrake.png|framed|left|Pufferfish-based p36 rake<br />{{JavaRLE|pufferfishrake}}]] | ||
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Revision as of 22:10, 29 December 2014
| Pufferfish | |||||||
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| Pattern type | Puffer | ||||||
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| Number of cells | 44 | ||||||
| Bounding box | 15 × 12 | ||||||
| Direction | Orthogonal | ||||||
| Period | 12 | ||||||
| Speed | c/2 | ||||||
| Discovered by | Richard Schank | ||||||
| Year of discovery | 2014 | ||||||
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Pufferfish is a puffer discovered by Richard Schank in 2014. Being found in a symmetric soup, the puffer is almost natural.[1] It consists of a pair of b-heptominos whose debris is stabilised by a backend.
It is the first known c/2 object that doesn't have any parts of periods 2 or 4.
On December 27, 2014 Ivan Fomichev found a non-trivial (dependent) c/2 fuse of period 36 for pufferfish's exhaust, that enabled him to assemble the first c/2 spaceship and the first c/2 rake, that had no parts of periods 2 or 4.[2] A few days later 'glider_rider' found some smaller rakes.[3]
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References
- ↑ Richard Schank (November 24, 2014). "Re: Soup search results". Retrieved on November 25, 2014.
- ↑ Ivan Fomichev (December 27, 2014). "Pufferfish and companions". Retrieved on December 28, 2014.
- ↑ glider_rider (December 29, 2014). "Re: Pufferfish and companions". Retrieved on December 29, 2014.