Copperhead

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Copperhead
b2o2b2o$3b2o$3b2o$obo2bobo$o6bo2$o6bo$b2o2b2o$2b4o2$3b2o$3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ ZOOM 32 T 98 LINEAR Y Y 10 LOOP 99 THUMBSIZE 3 GPS 5 HEIGHT 800 WIDTH 483 ]]
Pattern type Spaceship
Number of cells 28
Bounding box 6×12
Direction Orthogonal
Period 10
Mod Unknown
Speed c/10
Speed (unsimplified) Unknown
Heat 27.8
Discovered by zdr
Year of discovery 2016

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.

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]

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.[6] A faster gun was constructed one day later.[7]

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.[8]

Gallery

A simple copperhead eater found by Simon Ekström.
View animated image
File:Goldenhead.jpeg
The goldenhead

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

  1. zdr (March 5, 2016). "is this c/10 spaceship known?". Retrieved on March 5, 2016.
  2. Dean Hickerson (6 March, 2016). "Re: is this c/10 spaceship known?".
  3. Simon Ekström (March 20, 2016). "Re: is this c/10 spaceship known?". Retrieved on March 20, 2016.
  4. Tanner Jacobi (March 20, 2016). "Re: is this c/10 spaceship known?". Retrieved on March 20, 2016.
  5. Nico Brown (March 20, 2016). "Re: is this c/10 spaceship known?". Retrieved on March 20, 2016.
  6. Alexey Nigin (March 6, 2016). "Re: is this c/10 spaceship known?". Retrieved on March 6, 2016.
  7. gmc_nxtman (7 March, 2016). "Re: is this c/10 spaceship known?". Retrieved on 8 March, 2016.
  8. Apple Bottom (April 4, 2016). "Haul". Catagolue. Retrieved on April 4, 2016.

External links