Piston

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Piston
2o7b2o$obo2bo2bobo$2b4o2bo2b$obo2bo2bobo$2o7b2o! #C [[ THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ LOOP 2 GPS 2 THUMBSIZE 2 ]]
Pattern type Oscillator
Number of cells 23
Bounding box 11×5
Period 2
Mod 1
Heat 4
Volatility 0.16
Strict volatility 0.16
Rotor type Orthogonal on-off
Discovered by Unknown
Year of discovery 1971

Piston is a period 2 oscillator found in 1971. Its usage is similar to that of the spark coil. It can be extended indefinitely along its axis, with varying degrees of dihedral symmetry according to its parity. (Its rotors are used in an agar shown at Agar#Tile_agars.)

Synthesis

gmc_nxtman found a 6-glider synthesis of the piston on July 26, 2017.[1]

Image gallery

A long piston.

References

  1. Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums

External links