Pi orbital: Difference between revisions
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|[[Image:piorbit_gen27.png|framed|left|Generation 27 reveals the pi heptomino]] | |[[Image:piorbit_gen27.png|framed|left|Generation 27 reveals the pi heptomino]] | ||
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==See also== | |||
*[[Gourmet]] | |||
*[[Popover]] | |||
*[[Pi portraitor]] | |||
==External links== | ==External links== | ||
*[http://www.argentum.freeserve.co.uk/lex_p.htm#piorbital Pi orbital] at the Life Lexicon | *[http://www.argentum.freeserve.co.uk/lex_p.htm#piorbital Pi orbital] at the Life Lexicon | ||
Revision as of 12:11, 10 April 2009
| Pi orbital | |||||||
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| Pattern type | Oscillator | ||||||
|---|---|---|---|---|---|---|---|
| Number of cells | 305 | ||||||
| Bounding box | 59 × 59 | ||||||
| Period | 168 (mod: Unknown) | ||||||
| Heat | 270.7 | ||||||
| Volatility | Unknown | Unknown | ||||||
| Kinetic symmetry | Unspecified | ||||||
| Discovered by | Noam Elkies | ||||||
| Year of discovery | 1995 | ||||||
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Pi orbital is a period 168 oscillator that was found by Noam Elkies in August 1995. It works by using four crowns and four blocks to turn a pi heptomino ninety degrees every 42 generations. A second pi heptomino can be inserted to reduce the period to 84.
Image gallery
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See also
External links
- Pi orbital at the Life Lexicon