2-D waves of chemical change

2-D waves of chemical change

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Credit: PROF. ARTHUR WINFREE/SCIENCE PHOTO LIBRARY

Caption: Two-dimensional waves of chemical change in a shallow dish containing excited Malonic acid reagant. The picture shows 2 series taken at 1-minute intervals. The circular waves are produced from nuclei of an unknown nature (possibly dust particles). Rings are produced, radiating periodically from their point sources & mutually annihilating when they collide.

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Keywords: chemical, chemical change, chemical reaction, chemistry, malonic acid

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