September, page 90—The citation by the President upon awarding Charles H. Townes the National Medal of Science should read: “For fundamental contributions to the understanding of matter through its interaction with electromagnetic radiations and the application of this knowledge to the service of mankind, most notably in the invention of the maser and laser.”
November, page 122—The letter “From Nuke to Anti-Nuke” was written by Thornton Page of the NASA Johnson Space Center, not Thomas Page.
January, page 25—The illustrations were reversed. The crystalline pattern is in the lower photo, and the sheared fluid is in the upper photo.
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© 1984 American Institute of Physics.
1984
American Institute of Physics
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