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Chemical change

Chemical change

A500/0764

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Credit

PROF. ARTHUR WINFREE / SCIENCE PHOTO LIBRARY PROF. ARTHUR WINFREE / SCIENCE PHOTO LIBRARY

Caption

Two-dimensional waves of chemical change in a shallow dish containing excited Malonic acid reagant. 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.

Release details

Model release not required. Property release not required.

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