Toaster

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Toaster
x = 11, y = 12, rule = B3/S23 2bo6b2o$bobob2o2bo$bobobobobo$2obo3bob2o$o2b2ob2o2bo$bo7bo$bo7bo$o2b2o b2o2bo$2obo3bob2o$bobobobobo$bobob2o2bo$2bo6b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ GPS 2 ZOOM 20 LOOP 5 ]]
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Pattern type Oscillator
Family Volcano
Number of cells 54
Bounding box 15 × 12
Period 5 (mod: 5)
Heat 21.6
Volatility 0.54 | 0.54
Kinetic symmetry Unspecified
Discovered by Dean Hickerson
Year of discovery 1992

Toaster (or lightweight volcano) is a period-5 oscillator that was found by Dean Hickerson on April 1, 1992[1] that produces sparks much like a lightweight spaceship on its left and right sides. A minimal change can be done to change its symmetry type.

A stator variant of this oscillator appeared semi-naturally on 2018, in a symmetric soup submitted to Catagolue by Apple Bottom[2], and another on 2022-02-16 by Charity Engine[3].

On November 19, 2021, Dongook Lee and Entity Valkyrie observed that a toaster can be phase shifted to produce an oscillator of period 5n+2.[4]

Multiple smaller oscillators with only single LWSS sparks also exist.

x = 16, y = 13, rule = B3/S23 11bo2bo$11bo$10bo4bo$3b2o4bob2ob2o$2bo2bo2b2o$2b3o3bo$8bo$4obob2o$o2bo3bo$5bo b2o$4b2obo$4bo2bo$5b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART GPS 2 HEIGHT 320 ]]
smaller-population (41 cells) but higher-bounding-box
(16*13) asymmetric period-5 LWSS emulator

(click above to open LifeViewer)
Catagolue: here
x = 15, y = 11, rule = B3/S23 4bo2bo2$3bo4bo$b3ob2ob3o$o3bo2bo3bo$2ob2o2b4obo$bobo3bo4bo$bobo4bobob obo$2bo5bo2bob2o$9bobo$10b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART GPS 2 HEIGHT 320 ]]
42-cell 15*11 variant, as used in
the smallest period-40 glider gun

(click above to open LifeViewer)
Catagolue: here
Generation 4 of toaster reveals its sparks

See also

References

  1. ↑ Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.
  2. ↑ Apple Bottom (April 27, 2018). Re: Soup search results (discussion thread) at the ConwayLife.com forums , and Charity Engine's noninteracting stator variant
  3. ↑ Charity Engine's variant (and a larger Charity Engine's variant of that varying only in noninteracting stator cells) on Catagolue
  4. ↑ Entity Valkyrie (November 19, 2021). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums


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