Space rake: Difference between revisions
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'''Space rake''' is a [[period]] 20 forward [[glider]] [[rake]] constructed around 1971 and was the first known rake. It consists of an [[ecologist]] with a [[lightweight spaceship]] added to turn its dying debris into gliders. | '''Space rake''' is a [[period]] 20 forward [[glider]] [[rake]] constructed around 1971 and was the first known rake. It consists of an [[ecologist]] with a [[lightweight spaceship]] added to turn its dying debris into gliders. | ||
Note that if the back lightweight spaceship is flipped vertically and moved down by one [[cell]], then this becomes a period 20 backward glider rake, as shown below.<ref>[[Alan Hensel]]'s [http://www.ibiblio.org/lifepatterns/ lifep.zip] pattern collection.</ref> | Note that if the back lightweight spaceship is flipped vertically and moved down by one [[cell]], then this becomes a period 20 backward glider rake, as shown below.<ref>[[Alan Hensel]]'s [http://www.ibiblio.org/lifepatterns/ lifep.zip] pattern collection.</ref> When it hits a wall, it fires a glider in the other direction, and creates a block and a beehive. | ||
==Image gallery== | ==Image gallery== | ||
Revision as of 22:45, 24 November 2009
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| Pattern type | Rake Puffer | ||||||
|---|---|---|---|---|---|---|---|
| Number of cells | 65 | ||||||
| Bounding box | 22 × 19 | ||||||
| Direction | Orthogonal | ||||||
| Period | 20 | ||||||
| Speed | c/2 | ||||||
| Discovered by | Unknown | ||||||
| Year of discovery | Unknown | ||||||
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Space rake is a period 20 forward glider rake constructed around 1971 and was the first known rake. It consists of an ecologist with a lightweight spaceship added to turn its dying debris into gliders.
Note that if the back lightweight spaceship is flipped vertically and moved down by one cell, then this becomes a period 20 backward glider rake, as shown below.[1] When it hits a wall, it fires a glider in the other direction, and creates a block and a beehive.
Image gallery
 RLE: here |
References
- ↑ Alan Hensel's lifep.zip pattern collection.
External links
- Space rake at the Life Lexicon