Phi spark
A phi spark is a commonly seen (for example, during the evolution of a Herschel) large symmetric spark that dies in 9 generations. It gains its name from resemblance of its generation 1 to a Greek capital letter phi (Φ).
The pentadecathlon splits into two phi sparks during its cycle for the span of five generations; their central halves regenerate the oscillator, while the outer halves die as usual.
 | A phi spark. |
 | Generation 1 reveals the origin of the name. |
 | A triangle is a common parent of the phi spark. |
 | A 7-cell pattern arising from a Herschel, which becomes a phi spark in 8 generations (a triangle in 7). |
Phi sparks can interact with gliders.
| <html><div class="rle"><div class="codebox"><div style="display:none;"><code></html>x = 45, y = 18, rule = B3/S23
16b3o$15bo3bo$15bo3bo$16b3o3$2bo11b2o7bo20bo$2o10bo4bo3b2o12b2o5b2o$b
2o9bo4bo4b2o9bo4bo4b2o$12bo4bo15bo4bo$14b2o17bo4bo$35b2o2$b3o$o3bo32b
3o$o3bo31bo3bo$b3o32bo3bo$37b3o!
#C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]]
#C [[ AUTOSTART GPS 3 LOOP 12 ZOOM 12 THUMBSIZE 2 PAUSE 2 T 11 PAUSE 2 HEIGHT 480 WIDTH 600 ]]<html></code></div></div><canvas width="200" height="300" style="margin-left:1px;"><noscript></html> Please enable Javascript to view this LifeViewer. <html></noscript></canvas></div></html> |
| (click above to open LifeViewer) RLE: here Plaintext: here |
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