Copperhead: Difference between revisions
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==Reactions== | ==Reactions== | ||
The ship hauls a [[block]] behind it, which makes for interesting reactions involving other ships. [[Dean Hickerson]] built a [[sawtooth]] that uses copperhead's ability to turn a [[heavyweight spaceship]] into a [[loaf]].<ref>{{Cite web|url=http://www.conwaylife.com/forums/viewtopic.php?f=2&t=2057&start=75#p28119|title=Re: is this c/10 spaceship known?|author=Dean Hickerson|date=6 March, 2016}}</ref> It can also eat gliders and [[middleweight spaceship]]s cleanly from behind, and [[lightweight spaceship]]s from the side of the block. Its front end can cleanly burn through [[blinker]]s, creating a c/10 [[blinker fuse]]. | The ship hauls a [[block]] behind it, which makes for interesting reactions involving other ships. [[Dean Hickerson]] built a [[sawtooth]], that uses copperhead's ability to turn a [[heavyweight spaceship]] into a [[loaf]].<ref>{{Cite web|url=http://www.conwaylife.com/forums/viewtopic.php?f=2&t=2057&start=75#p28119|title=Re: is this c/10 spaceship known?|author=Dean Hickerson|date=6 March, 2016}}</ref> It can also eat gliders and [[middleweight spaceship]]s cleanly from behind, and [[lightweight spaceship]]s from the side of the block. Its front end can cleanly burn through [[blinker]]s, creating a c/10 [[blinker fuse]]. | ||
===Tagalong=== | ===Tagalong=== | ||
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[[Simon Ekström]] found a tagalong with a large spark on March 20, 2016.<ref>{{cite web|url=http://www.conwaylife.com/forums/viewtopic.php?p=28956#p28956|title=Re: is this c/10 spaceship known?|author=Simon Ekström|date=March 20, 2016|accessdate=March 20, 2016}}</ref> [[Tanner Jacobi]] noticed that it can be attached to two other identical tagalongs, thus allowing for ships of arbitrary size.<ref>{{cite web|url=http://www.conwaylife.com/forums/viewtopic.php?p=28959#p28959|title=Re: is this c/10 spaceship known?|author=Tanner Jacobi|date=March 20, 2016|accessdate=March 20, 2016}}</ref> [[Nico Brown]] built a puffer and a rake using copperheads with tagalongs to make a signal loop.<ref>{{cite web|url=http://www.conwaylife.com/forums/viewtopic.php?p=28969#p28969|title=Re: is this c/10 spaceship known?|author=Nico Brown|date=March 20, 2016|accessdate=March 20, 2016}}</ref> | [[Simon Ekström]] found a tagalong with a large spark on March 20, 2016.<ref>{{cite web|url=http://www.conwaylife.com/forums/viewtopic.php?p=28956#p28956|title=Re: is this c/10 spaceship known?|author=Simon Ekström|date=March 20, 2016|accessdate=March 20, 2016}}</ref> [[Tanner Jacobi]] noticed that it can be attached to two other identical tagalongs, thus allowing for ships of arbitrary size.<ref>{{cite web|url=http://www.conwaylife.com/forums/viewtopic.php?p=28959#p28959|title=Re: is this c/10 spaceship known?|author=Tanner Jacobi|date=March 20, 2016|accessdate=March 20, 2016}}</ref> [[Nico Brown]] built a puffer and a rake using copperheads with tagalongs to make a signal loop.<ref>{{cite web|url=http://www.conwaylife.com/forums/viewtopic.php?p=28969#p28969|title=Re: is this c/10 spaceship known?|author=Nico Brown|date=March 20, 2016|accessdate=March 20, 2016}}</ref> | ||
Unlike most tagalongs, this tagalong actually temporarily interacts with the hauled block, and is thus not a true tagalong but a whole new spaceship.<ref>{{cite web|url=http://www.conwaylife.com/forums/viewtopic.php?f=2&t=2057&start=175#p28988|title=Re: is this c/10 spaceship known?|author=towerator|date=20 March 2016|accessdate=30 June 2016}}</ref> | Unlike most tagalongs, this tagalong actually temporarily interacts with the hauled block, and is thus not a true tagalong but a whole new spaceship.<ref>{{cite web|url=http://www.conwaylife.com/forums/viewtopic.php?f=2&t=2057&start=175#p28988|title=Re: is this c/10 spaceship known?|author=towerator|date=20 March 2016|accessdate=30 June 2016}}</ref> However, blocks hauled by the tagalongs in tagalong pyramids are unaffected, and are thus true tagalongs. | ||
==Synthesis== | ==Synthesis== | ||
Revision as of 14:13, 30 June 2016
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| Pattern type | Spaceship | ||||||||
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| Number of cells | 28 | ||||||||
| Bounding box | 6 × 12 | ||||||||
| Direction | Orthogonal | ||||||||
| Period | 10 (mod: Unknown) | ||||||||
| Speed | c/10 | Unknown | ||||||||
| Heat | 27.8 | ||||||||
| Kinetic symmetry | Unspecified | ||||||||
| Discovered by | zdr | ||||||||
| Year of discovery | 2016 | ||||||||
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Copperhead is a c/10 orthogonal spaceship discovered by 'zdr' on March 5, 2016.[1]
Reactions
The ship hauls a block behind it, which makes for interesting reactions involving other ships. Dean Hickerson built a sawtooth, that uses copperhead's ability to turn a heavyweight spaceship into a loaf.[2] It can also eat gliders and middleweight spaceships cleanly from behind, and lightweight spaceships from the side of the block. Its front end can cleanly burn through blinkers, creating a c/10 blinker fuse.
Tagalong
Simon Ekström found a tagalong with a large spark on March 20, 2016.[3] Tanner Jacobi noticed that it can be attached to two other identical tagalongs, thus allowing for ships of arbitrary size.[4] Nico Brown built a puffer and a rake using copperheads with tagalongs to make a signal loop.[5]
Unlike most tagalongs, this tagalong actually temporarily interacts with the hauled block, and is thus not a true tagalong but a whole new spaceship.[6] However, blocks hauled by the tagalongs in tagalong pyramids are unaffected, and are thus true tagalongs.
Synthesis
The first synthesis was proposed by Aidan F. Pierce on the day of discovery. An alternative synthesis utilising fumarole as a predecessor, presented by Tanner Jacobi an hour later, was much more efficient. After optimizations by Mark Niemiec and Chris Cain the total synthesis cost made 22 gliders. A copperhead gun was then completed by Alexey Nigin on March 6, 2016.[7] A faster gun was constructed one day later.[8]
The first copperhead to emerge from the ash of a soup appeared on April 4, 2016 in a D2_+2 haul submitted to Catagolue by Apple Bottom.[9]
Gallery
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In other rules
In the cellular automaton DryLife, an extremely similar spaceship (dubbed the goldenhead) also travels at c/10 orthogonal. It differs from the normal copperhead by 2 cells in one phase. A normal copperhead at this phase will turn into a goldenhead in DryLife, and conversely this phase will return to a copperhead in normal Life.
See also
References
- ↑ zdr (March 5, 2016). "is this c/10 spaceship known?". Retrieved on March 5, 2016.
- ↑ Dean Hickerson (6 March, 2016). "Re: is this c/10 spaceship known?".
- ↑ Simon Ekström (March 20, 2016). "Re: is this c/10 spaceship known?". Retrieved on March 20, 2016.
- ↑ Tanner Jacobi (March 20, 2016). "Re: is this c/10 spaceship known?". Retrieved on March 20, 2016.
- ↑ Nico Brown (March 20, 2016). "Re: is this c/10 spaceship known?". Retrieved on March 20, 2016.
- ↑ towerator (20 March 2016). "Re: is this c/10 spaceship known?". Retrieved on 30 June 2016.
- ↑ Alexey Nigin (March 6, 2016). "Re: is this c/10 spaceship known?". Retrieved on March 6, 2016.
- ↑ gmc_nxtman (7 March, 2016). "Re: is this c/10 spaceship known?". Retrieved on 8 March, 2016.
- ↑ Apple Bottom (April 4, 2016). "Haul". Catagolue. Retrieved on April 4, 2016.
External links
- Copperhead at Adam P. Goucher's Catagolue
- Alexey Nigin: New Spaceship Speed in Conway’s Game of Life
- Patterns
- Spaceships with 28 cells
- Periodic objects with minimum population 28
- Patterns with 28 cells
- Patterns found by zdr
- Patterns found in 2016
- Patterns that can be constructed with 22 gliders
- Spaceships
- Spaceships with period 10
- Orthogonal spaceships
- Spaceships with speed c/10
- Spaceships with heat 27
- Non-monotonic spaceships