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 |
|
Image gallery
 Generation 4 of toaster reveals its sparks
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See also
References
External links
