Negative spaceship
A negative spaceship is a type of signal traveling through a periodic agar such as zebra stripes, and thus comparable to a spaceship. The leading edge of the signal removes the agar, and the trailing edge rebuilds the agar some time later. The distance between the two edges is sometimes adjustable, as shown in lightspeed bubble. The central part of the "spaceship" may consist of dying sparks or even simple empty space.
Below is a sample period-5 negative spaceship, found by Hartmut Holzwart in March 2007, travelling to the left at the speed of light:
| <html><div class="rle"><div class="codebox"><div style="display:none;"><code></html>x = 55, y = 31, rule = B3/S23:T55,32
55o2$29o2b3o2b19o$30b2o3b2o$24o2b3o3b2o3b4o2b12o$25b2o15b2o$24o2b3o3b
2o5b2o3b2o2b7o$30b2o3bob2o8b2o$24o2b3o2b3o3b2o5b2o3b6o$25b2o12b2ob2o$
24o3b5o10b2o5b6o$28bo15b2ob2o$24o5bo9bo7b2o2b4o$25bobo6bo3bo10b2o$24o
3bobob5o6bo7b5o$30b3o3bo6bo$24o3bobob5o6bo7b5o$25bobo6bo3bo10b2o$24o5b
o9bo7b2o2b4o$28bo15b2ob2o$24o3b5o10b2o5b6o$25b2o12b2ob2o$24o2b3o2b3o3b
2o5b2o3b6o$30b2o3bob2o8b2o$24o2b3o3b2o5b2o3b2o2b7o$25b2o15b2o$24o2b3o
3b2o3b4o2b12o$30b2o3b2o$29o2b3o2b19o2$55o!
#C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]]
#C [[ THUMBNAIL THUMBSIZE 2 THEME 6 HEIGHT 480 GPS 6 ZOOM 11 AUTOSTART ]]<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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gollark: Okay, sure! I can go add some bots to heavserver.
gollark: <@481991918008664095>, <@213674115700097025> is bizarrely obsessed with combating apioheavserveroforms despite the futility of such actions.
gollark: <@481991918008664095>, <@213674115700097025> will fall before the power of the Rust borrow checker in time.
gollark: <@481991918008664095>, <@213674115700097025> consists of MULTIPLE second-generation leptons.
gollark: <@481991918008664095>, <@213674115700097025> is the unique solution to the Navier-Stokes equation.
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