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February 1950

Volume 3, Issue 2

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“Expectations of a definite form”

Albert Einstein and Paul Arthur Schilpp, Translator
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Physics Today is privileged to present an excerpt from a newly published essay by Albert Einstein. The excerpt is reprinted here from “Albert Einstein: Philosopher‐Scientist,” Volume VII of the Library of Living Philosophers,∗ with the kind permission of Paul Arthur Schilpp, editor of the series. The above title is the last phrase of the autobiographical introduction to the volume and the excerpt that follows is from the final essay “Remarks Concerning the Essays Brought Together in this Co‐operative Volume.” Professor Schilpp translated this material from the German typescript.

Radio astronomy

Martin Ryle
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Our knowledge of the universe has been gained by measuring electromagnetic radiation falling on the earth. To the light from the stars for the astronomer's telescopes there has been added radio waves for his receivers. Thus another probe into space is available for examining bodies which are capable of emitting, reflecting, or absorbing radio waves.

Physicists and the English language

William Fuller Brown, Jr.
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Ideas are affected by language more than language is affected by logic.
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Adage Bites Man

Ward F. Davidson
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Physicists in Training

Karl F. Herzfeld, George B. Collins, and Marsh W. White
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Modern Arms and Free Men

Vannevar Bush and R. R. D., Reviewer
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Acoustic Measurements

Leo L. Beranek and Walter A. Rosenblith, Reviewer
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Applied Experimental Psychology

A. Chapanis, W. R. Garner, C. T. Morgan, and Leo L. Beranek, Reviewer
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Rocket Propulsion Elements

George P. Sutton and Howard S. Seifert, Reviewer
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Isotopic Carbon

Melvin Calvin, Editor, Charles Heidelberger, Editor, James C. Reid, Editor, Bert M. Tolbert, Editor, Peter E. Yankwich, Editor, and Paul C. Aebersold, Reviewer
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Books Received

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British Plutonium

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European Technological Pool

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New Dutch Cyclotron

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Research in India

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New Swiss Journal

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Crystallography

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Semiconductors

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Research and National Security

Marsh W. White
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AAAS forum looks ahead

Gaseous Electronics

John A. Hornbeck
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Second Annual Conference reported

Last Days of ASXRED and CSA

William Parrish
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American Crystallographic Association formed

Spectroscopy

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June symposium at Ohio State

Projects Invited

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For Arctic Research; At Institute for Numerical Analysis
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Whereabouts

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Cosmic Nuclei

H. L. Bradt
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Ultrasonic Absorption

G. W. Hazzard
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Alpha‐Emission

G. T. Seaborg
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Light Scattering

W. H. Stockmayer
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Nuclear Magnetism

V. F. Weisskopf
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Radar

G. W. Horton
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Meson Decay

E. P. Hincks
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Acoustical Anisotropy

W. J. Price
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Exchange

David L. Falkoff
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Image Formation

J. H. Webb
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Calendar of Events

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