Toad: Difference between revisions
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{{Oscillator|p=2|name=Toad|pname=toad|c=6|h=8|bx=4|by=4|life105=true|life106=true|plaintext=true|rle=true|discoverer=Simon Norton|discoveryear=1970|animated=true|synthesis=3|synthesisRLE=true}} | {{Oscillator|p=2|name=Toad|pname=toad|c=6|h=8|bx=4|by=4|life105=true|life106=true|plaintext=true|rle=true|discoverer=Simon Norton|discoveryear=1970|animated=true|synthesis=3|synthesisRLE=true}} | ||
'''Toad''' is a [[period]] [[:Category:Oscillators with period 2|2]] [[oscillator]] that was found by [[Simon Norton]] in May [[:Category:Patterns found in 1970|1970]]. It is the second most common naturally-occurring oscillator, although [[blinker]]s occur more than a hundred times as frequently.<ref>{{cite web|url=http://wwwhomes.uni-bielefeld.de/achim/freq_top_life.html |title=Most seen natural occurring ash objects in Game of Life |author=Achim Flammenkamp |date=September 7, 2004 |accessdate=January 15, 2009}}</ref> Toads often appear in large, complex patterns because of their ability to eat things when paired together (as in [[killer toads]]). Additionally, toads are useful as building blocks for constructing large oscillators with periods that are a multiple of two because of the various ways in which they can be [[hassle]]d. | '''Toad''' is a [[period]] [[:Category:Oscillators with period 2|2]] [[oscillator]] that was found by [[Simon Norton]] in May [[:Category:Patterns found in 1970|1970]]. It is the second most common naturally-occurring oscillator, although [[blinker]]s occur more than a hundred times as frequently.<ref>{{cite web|url=http://wwwhomes.uni-bielefeld.de/achim/freq_top_life.html |title=Most seen natural occurring ash objects in Game of Life |author=Achim Flammenkamp |date=September 7, 2004 |accessdate=January 15, 2009}}</ref> It is also one of very few known oscillators that is a [[polyomino]] in one of its [[phase]]s. Toads often appear in large, complex patterns because of their ability to eat things when paired together (as in [[killer toads]]). Additionally, toads are useful as building blocks for constructing large oscillators with periods that are a multiple of two because of the various ways in which they can be [[hassle]]d. | ||
==Toad flippers== | ==Toad flippers== | ||
A '''toad flipper''' is a hassler that works by having two [[domino]] [[spark]]ers ([[pentadecathlon]]s in the example shown below) apply their sparks to the toad in order to flip it over.<ref>{{Cite web|url=http://www.argentum.freeserve.co.uk/lex_t.htm#toadflipper|author=Stephen Silver|publisher=The Life Lexicon|title=Toad-flipper|accessdate=May 16, 2009}}</ref> When the sparks are applied again, the toad is flipped back. Either or both domino sparkers can be moved down two [[cell]]s from the position shown and the toad flipper will still work, but because of symmetry there are really only two different types of toad flippers. | A '''toad flipper''' is a hassler that works by having two [[domino]] [[spark]]ers ([[pentadecathlon]]s in the example shown below) apply their sparks to the toad in order to flip it over.<ref>{{Cite web|url=http://www.argentum.freeserve.co.uk/lex_t.htm#toadflipper|author=Stephen Silver|publisher=The Life Lexicon|title=Toad-flipper|accessdate=May 16, 2009}}</ref> When the sparks are applied again, the toad is flipped back. Either or both domino sparkers can be moved down two [[cell]]s from the position shown and the toad flipper will still work, but because of symmetry there are really only two different types of toad flippers. For another example of a toad flipper, see [[186P24]]. | ||
[[Image:toadflipper.png|framed|center|One particular toad flipper -- the arrow indicates 30 generations of evolution<br />{{JavaRLE|toadflipper}}]] | [[Image:toadflipper.png|framed|center|One particular toad flipper -- the arrow indicates 30 generations of evolution<br />{{JavaRLE|toadflipper}}]] | ||
Revision as of 14:49, 16 May 2009
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| Pattern type | Oscillator | ||||||
|---|---|---|---|---|---|---|---|
| Number of cells | 6 | ||||||
| Bounding box | 4 × 4 | ||||||
| Period | 2 (mod: Unknown) | ||||||
| Heat | 8 | ||||||
| Volatility | Unknown | Unknown | ||||||
| Kinetic symmetry | Unspecified | ||||||
| Discovered by | Simon Norton | ||||||
| Year of discovery | 1970 | ||||||
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Toad is a period 2 oscillator that was found by Simon Norton in May 1970. It is the second most common naturally-occurring oscillator, although blinkers occur more than a hundred times as frequently.[1] It is also one of very few known oscillators that is a polyomino in one of its phases. Toads often appear in large, complex patterns because of their ability to eat things when paired together (as in killer toads). Additionally, toads are useful as building blocks for constructing large oscillators with periods that are a multiple of two because of the various ways in which they can be hassled.
Toad flippers
A toad flipper is a hassler that works by having two domino sparkers (pentadecathlons in the example shown below) apply their sparks to the toad in order to flip it over.[2] When the sparks are applied again, the toad is flipped back. Either or both domino sparkers can be moved down two cells from the position shown and the toad flipper will still work, but because of symmetry there are really only two different types of toad flippers. For another example of a toad flipper, see 186P24.
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Toad suckers
A toad sucker is a toad hassler that works by having two domino sparkers (pentadecathlons in the example shown below) apply their sparks to the toad in order to shift it.[3] When the sparks are applied again, the toad is shifted back. Either or both domino sparkers can be moved down two cells from the position shown and the toad sucker will still work, but because of symmetry there are really only three different types of toad suckers.
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See also
References
- ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
- ↑ Stephen Silver. "Toad-flipper". The Life Lexicon. Retrieved on May 16, 2009.
- ↑ Stephen Silver. "Toad-sucker". The Life Lexicon. Retrieved on May 16, 2009.
External links
- Toad at the Life Lexicon