Difference between revisions of "Simkin glider gun"

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==See also==
==See also==
*[[Period-156 glider gun]]
*[[Period-156 glider gun]]
*[[Simkin's P60]]
*[[Simkin's p60]]

Revision as of 22:42, 14 April 2019

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Simkin glider gun
2o5b2o$2o5b2o2$4b2o$4b2o5$22bo3bo$21bo4b2o$20b2o5b2o2b2o$21b2o4bo3b2o$ 22bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ THUMBSIZE 2 ZOOM 12 GPS 20 HEIGHT 480 ]]
Pattern type Gun
Number of cells 29
Bounding box 33×14
Period 120
Barrels 2
Discovered by Michael Simkin
Year of discovery 2015

Simkin glider gun is a glider gun, found by Michael Simkin on April 28, 2015. It consists of a Herschel running in two period-60 conduits, producing infinite copies of the first natural glider. In terms of its 36 cells (if one of the two streams is suppressed by an eater 1) it is the smallest known gun, sharing the record with the Gosper glider gun. In the 29-cell double-barrelled form (shown in the infobox), as well as the pseudo-period boat-bit form, it is the absolute record holder. Its smallest known predecessor has only 21 cells.

The day of its discovery, Chris Cain used it to create a sawtooth pattern with 181 cells.[1]

See also


  1. Chris Cain (April 28, 2015). "Re: Smaller sawtooth". ConwayLife.com forums. Retrieved on November 16, 2018.

External links