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Glow discharge in microfluidic chips for visible analog computing

Darwin R. Reyes, Moustafa Ghanem, Andreas Manz, George M. Whitesides

Journal Article
Lab on a Chip
April, 2002
Volume 2
Issue 2
Royal Society of Chemsitry
ISSN 1473-0197
DOI 10.1039/b200589a

Here we present a novel visible analog computing approach for solving a wide class of shortest path problems. Using a microfluidic chip for computation, based on the lighting up of a glow discharge, the solution to maze search problems, the solution of a network shortest path and k-shortest paths problems and the practical application of finding the shortest paths between several landmarks from a street map are presented. The solution and visible display (in real time) for these problems shows only a small difference in practical problem solving time among problems with varying differences in size.

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