Vol. 108, Issue 38
September 23, 2004 Cover

The effect of local periodic forcing on uniformly oscillating CO oxidation on a Pt(110) surface. The applied external force is provided by a focused laser beam, rotating along an 0.88 mm circle, thereby heating the surface locally. Two slightly distorted snapshots are mounted together (red areas are oxygen covered, yellow regions are CO covered, and white is the laser beam).
Artwork by Harm H. Rotermund.

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