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November 1950

Volume 3, Issue 11

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Secret science

John H. Manley
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The tug‐of‐war between requirements for security controls over scientific information and need for the kind of openness that will permit scientific progress has in the atomic energy program been refereed by scientists themselves. For those who have had to stand by helplessly while their papers were being digested by the complex machinery of the “declassification program” the following article may make the process seem less mysterious and aggravating.

High altitude laboratories

Serge A. Korff
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Physicists and other scientists have found high altitude research laboratories enormously useful as a base of operations for scientific studies that are not normally possible at lower levels. Dr. Korff's article surveys both the existing stations located at 5,000 feet or above and the as yet unexploited sites where high altitude laboratories of the future might profitably be established.

Millimeter waves

J. R. Pierce
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Lying between the longest infrared rays and the shortest microwaves of the electromagnetic radiation is the region of millimeter waves, which are difficult to produce and to measure and which have as yet found few applications. The millimeter wave range, a relatively undeveloped field for research, presents a challenge to theoreticians, experimentalists, and inventors alike. This article was prepared at the request and through the cooperative effort of the ONRD advisory committee on millimeter wave generation as a means for stimulating effort in this new field.
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South Of The Border

Karl K. Darrow
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APS meets in Mexico City

Meetings to be Held

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High Frequency Measurements Conference; Inter‐Society Color Council and OSA; Quality Control; Automatic Controls Conference.
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The Proceedings of the American Philosophical Society; The Meaning of Relativity; Out of My Later Years and Albert Einstein: Philosopher‐Scientist

Albert Einstein, P. A. Schilpp, Editor, and Philip Morrison, Reviewer
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History of Physics

Max von Laue, Ralph E. Oesper, and Eugene P. Wigner, Reviewer
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Books Received

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We Hear That…

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The Course for Physics Today

Gaylord P. Harnwell
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Polarization

H. J. Nearhoof
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Conductivity of an Electron‐Proton Gas

L. Spitzer, Jr.
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Binocular Visual Space

Paul Boeder
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Scattering Theory

G. Parzen
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Sound Scattering

Victor Twersky
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A Message To Physicists

Henry A. Barton
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Society Activities

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New APS Division of Chemical Physics

Physicists in Training

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Annual survey

Students and the Draft

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A premium on ability
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Calendar of Events

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