Fake glider
A fake or counterfeit glider is a spaceship in a cellular automaton, other than Conway's Game of Life, that matches Life's glider in at least one of its phases but evolves differently. Whereas the glider has period 4 and moves diagonally at c/4, fake gliders can have different periods and move in different directions at different speeds.
Examples
The c/12 diagonal spaceship with the apgcode xq12_153 in the non-totalistic rule B2e3-j4arw5n/S23-a is a fake glider:
| <html><div class="rle"><div class="codebox"><div style="display:none;"><code></html>x = 3, y = 3, rule = B2e3-j4arw5n/S23-a
2o$obo$o!
#C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]]
#C [[ THEME 6 GRID GRIDMAJOR 0 GPS 4 AUTOSTART THUMBLAUNCH THUMBSIZE 2 TRACKLOOP 12 -1/12 -1/12 ]]<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> |
| Catagolue: here (click above to open LifeViewer) |
Also see
gollark: "I'm still using my 15-year-old prototype"?
gollark: <https://en.wikipedia.org/wiki/List_of_inventors_killed_by_their_own_inventions>
gollark: I think it's more that when a new invention is decently possible to make and economically viable, and there's research in the relevant field, some people come up with it. Blaming the first person to is kind of potatos.
gollark: Let's blame the first caveman to set wood on fire.
gollark: The steam engine person.
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