Beehive stopper

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Beehive stopper
x = 48, y = 48, rule = B3/S23 bo$2bo$3o13$46bo$45bo$45b3o7$37bo$37bobo$37b2o6$23b2o5bo$23b2o4bobo$ 29bobo$30bo$44b2o$44bobo$46bo$35b2o9b2o$28b2o5b2o$27bobo$27b2o2$30b2o$ 30bo$31b3o$33bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ ZOOM 12 X 8 Y 10 GPS 30 LOOP 256 PAUSE 2 WIDTH 480 HEIGHT 480 THUMBSIZE 2 ]]
Pattern type Conduit
Conduit type Stable
Input glider
Output beehive
Number of cells 31
Bounding box 25×16
Discovered by Tanner Jacobi
Year of discovery 2015

A beehive stopper is a Spartan logic circuit discovered by Tanner Jacobi on May 12, 2015.[1] It converts an input glider signal into a beehive, in such a way that the beehive can cleanly absorb a single glider from a perpendicular glider stream. The circuit can't be re-used until the beehive "bit" is cleared by the passage of at least one perpendicular input.

This term has sometimes been used for the beehive catalyst variant of SW-2, which uses a beehive to stop a Herschel -- and also for Paul Callahan's larger glider stopper, which also provides optional 0-degree and 180-degree glider outputs.


  1. Tanner Jacobi (May 13, 2015). Re: Thread For Your Accidental Discoveries (discussion thread) at the forums

External links