Metamorphosis II

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Metamorphosis II
x = 53, y = 51, rule = B3/S23 20b2o9b2o$20b2o9b2o3$20b3o7b3o$20b3o7b3o4$18b2o3b2o3b2o3b2o$19b5o5b5o$ 20b3o7b3o$21bo9bo$8bo35bo$7bobo33bobo$6bob2o33b2obo$2o3b2ob2o33b2ob2o 3b2o$2o4bob2o33b2obo4b2o$7bobo33bobo$8bo35bo$23bobo$22bo$22bo$22bo2bo$ 22b3o2$22b3o$22bo2bo$22bo$22bo$23bobo$8bo35bo$7bobo33bobo$2o4bob2o33b 2obo4b2o$2o3b2ob2o33b2ob2o3b2o$6bob2o33b2obo$7bobo33bobo$8bo35bo$21bo 9bo$20b3o7b3o$19b5o5b5o$18b2o3b2o3b2o3b2o4$20b3o7b3o$20b3o7b3o3$20b2o 9b2o$20b2o9b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ GPS 10 ZOOM 8 LOOP 60 THUMBSIZE 2 WIDTH 480 HEIGHT 480 ]]
Pattern type Oscillator
Oscillator type Relay
Number of cells 150
Bounding box 53 × 51
Period 60 (mod: 39)
Heat 153.9
Volatility 0.98 | 0.24
Kinetic symmetry -c+c
Discovered by Robert Wainwright
Year of discovery 1994

Metamorphosis II is a period-60 oscillator built by Robert Wainwright on December 13, 1994 based on a period 30 glider-to-LWSS converter using a queen bee shuttle pair and LWSS-LWSS bounce. This converter was first found by Paul Rendell, January 1986 or earlier, but wasn't widely known about until Paul Callahan rediscovered it on December 9, 1994.[1] GUYTU6J found a 43-glider synthesis for this oscillator on May 11, 2020,[2] and reduced it to 41 gliders on August 3, 2021.[3]

It can be extended, providing a 150-cell oscillator of all periods of the form 60 + 360*n.

See also

References

  1. Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.
  2. GUYTU6J (May 11, 2020). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
  3. GUYTU6J (August 3, 2021). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums

External links