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Table of Contents
July 2001
Volume 78, Issue 7
Pages 855-984
About the Cover:
Freezing Atoms in Motion. The motion of atoms in molecules and in the course of reactions occurs on infinitesimal length and time scales, down to the angrstrom (0.1 nm or 10-8 cm) and femtosecond (10-15 s). To observe the behavior of atoms in motion, which is fundamental to chemical and biological transformations of molecular structures, femtosecond "stop-motion photography" with lasers is the methodology employed. See the article "Freezing Atoms in Motion: Principles of Femtochemistry and Demonstration by Laser Stroboscopy" by J. Spencer Baskin and Ahmed H. Zewail on pages 737-751.
