Karel's p15

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Karel's p15
Karel's p15 image
Pattern type Oscillator
Number of cells 28
Bounding box 16×14
Period 15
Mod Unknown
Heat 34.9
Volatility 1.00
Strict volatility 1.00
Discovered by Karel Suhajda
Year of discovery 2002

Karel's p15 is a period 15 oscillator discovered by Karel Suhajda on December 11, 2002.[1] It consists of a period 15 rotor supported by the domino spark of a pentadecathlon. It provides accessible sparks that can be used to perturb reactions. The p15 bouncer mechanism is an example. In the same month of its discovery, Mark Niemiec found an 18-glider synthesis of this oscillator.[2]

Image gallery

Period 435 gun shows how this pattern thins out the glider stream and triples the period.

See Also


  1. Jason Summers' all-osc pattern collection.
  2. Jason Summers' jslife pattern collection.

External links

  • 28P15.3 at Heinrich Koenig's Game of Life Object Catalogs