Implementation of glider guns in the light-sensitive Belousov-Zhabotinsky medium

de Lacy Costello, B., Toth, R., Stone, C., Adamatzky, A. and Bull, L. (2009) Implementation of glider guns in the light-sensitive Belousov-Zhabotinsky medium. Physical Review E, 79 (2). 026114. ISSN 1539-3755 Available from:

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In cellular automata models a glider gun is an oscillating pattern of nonquiescent states that periodically emits traveling localizations (gliders). The glider streams can be combined to construct functionally complete systems of logical gates and thus realize universal computation. The glider gun is the only means of ensuring the negation operation without additional external input and therefore is an essential component of a collision-based computing circuit. We demonstrate the existence of glider-gun-like structures in both experimental and numerical studies of an excitable chemical system—the light-sensitive Belousov-Zhabotinsky reaction. These discoveries could provide the basis for future designs of collision-based reaction-diffusion computers.

Item Type:Article
Uncontrolled Keywords:cellular automata models, glider guns
Faculty/Department:Faculty of Health and Applied Sciences > Department of Applied Sciences
Faculty of Environment and Technology > Department of Computer Science and Creative Technologies
ID Code:7076
Deposited By: H. Hammond
Deposited On:26 Jul 2010 14:57
Last Modified:14 Jan 2018 00:30

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