Turtle
Turtle is an c/3 orthogonal spaceship found by Dean Hickerson in August 1989. It is one of the only non-standard spaceships that also works in the HighLife rule. The domino spark that the turtle produces at its back was essential in the creation of the first sawtooth pattern, sawtooth 1212.
| Turtle | |||||||||||
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| Pattern type | Spaceship | ||||||||||
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| Number of cells | 44 | ||||||||||
| Bounding box | 13×12 | ||||||||||
| Direction | Orthogonal | ||||||||||
| Period | 3 | ||||||||||
| Mod | 3 | ||||||||||
| Speed | c/3 | ||||||||||
| Speed (unsimplified) | c/3 | ||||||||||
| Heat | 56 | ||||||||||
| Discovered by | Dean Hickerson | ||||||||||
| Year of discovery | 1989 | ||||||||||
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Tagalong
In April 1992, David Bell found an extensible tagalong for the turtle.
gollark: That sounds like one of those "requires general intelligence" problems.
gollark: Some of the particularly !!FUN!! ones are in probability and uncertainty, which humans are especially awful at.
gollark: ddg! wikipedia list of cognitive biases
gollark: Possibly. But in general, by sneaking a thing into the category via technicalities or quoting the definition and saying "see, it obviously fits" or something like that, you can make people treat it like a central member of the category.
gollark: This is something called the "noncentral fallacy", where because a thing is an *edge-case example* of a category, you taint it with all the connotations of everything else in the category.
See also
External links
- Turtle at the Life Lexicon
- The Turtle (glider 11302) at David Eppstein's Glider Database
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