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April 1969

Volume 22, Issue 4

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An operational interpretation of nonrelativistic quantum mechanics

Willis E. Lamb, Jr.
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Idealized experiments show that a physical measurement involves three stages: initial state preparation, perturbation and examination for the probability that a particular final state is occupied.

Continental drift

Donald L. Turcotte and E. Ronald Oxburgh
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Thermal convection within the earth's crystalline mantle provides a mechanism for large‐scale surface displacements. Oceanic ridges occur where the flow of convection cells comes up to the surface; trenches occur where it descends again.

Units for logarithmic scales

Calvin S. McCamy
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Even when successive effects are not additive but rather multiply each other (as do amplification and absorption), we need additive units for convenience. Here are suggestions for simplifying nomenclature and avoiding confusion.

States of aggregation

Kurt Mendelssohn
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As gases condense into liquids and then solids, an order pattern develops in position space. Both superconductivity and superfluidity can be viewed as condensations in momentum space. Possibly life itself is an order pattern, perhaps in both spaces at once.

Isobaric analog resonances

W. Rory Coker and C. Fred Moore
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These highly excited compound nuclear states, observed in proton scattering from heavy nuclei, have useful applications in nuclear spectroscopy.
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Difficulties of relocation

Thomas B. W. Kirk and Luis W. Alvarez
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Purposes of universities

K. E. Rieckhoff
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High standards and education

George Adomian
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Not‐so‐special rates

W. Bruce Richards and William W. Havens, Jr.
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Who found xi starred?

Philip Dauber, Arthur H. Rosenfeld, Gerald R. Lynch, Charles G. Wohl, R. Ronald Rau, and Nicholas P. Samios
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Citations and evaluation

Lawrence Cranberg
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Hot Water Source in Space May Act as Maser

Gloria B. Lubkin
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More Electron Rings: LRL Forms Them; Dubna Starts Extraction

Gloria B. Lubkin
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British and Dutch Build New Radio Telescopes

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Check of T Invariance in Electromagnetic Interaction

Gloria B. Lubkin
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Polar Cap May Have A Geoelectric Field

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Polarized Targets Used To Study Spin Effects

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In Brief

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A Visit to Arecibo Finds a Telescope Seeking Improvement

R. Hobart Ellis, Editor
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Fundamental Particles at High Energy

Laurie M. Brown
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Exact Statistical Mechanics at Irvine

Meinhard E. Mayer
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Bubble and Spark Chambers: Principles and Uses, Vol. 1 and 2

R. P. Shutt, Editor and Denis Keefe, Reviewer
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Introduction to Fourier Optics

Joseph W. Goodman and Mary E. Cox, Reviewer
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Optical Interferometry

M. Francon and Stanley S. Ballard, Reviewer
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Random Matrices and the Statistical Theory of Energy Levels

M. L. Mehta, Editor and Eugen Merzbacher, Reviewer
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Dialogues on Fundamental Questions of Science and Philosophy

A. Pfeiffer and Richard Schlegel, Reviewer
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Beyond the Observatory

Harlow Shapley and Martin F. McCarthy, Reviewer
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Advances in Nuclear Physics, Vol. 1

Michel Baranger, Editor, Erich Vogt, Editor, and Evans Hayward, Reviewer
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Wave Mechanics

Gunther Ludwig and Garrison Sposito, Reviewer
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Partial Differential Equations of Mathematical Physics

A. N. Tychonov, A. A. Samarski, S. B. Radding, and Joseph Gillis, Reviewer
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Thermodynamics: An Introduction

Rubin Battino, Scott E. Wood, and James B. Kelley, Reviewer
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Practical X-Ray Spectrometry

Ronald Jenkins, Johan L. de Vries, and H. A. Liebhafsky, Reviewer
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New Books

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We Hear That

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Gregory Breit Receives APS 1969 Bonner Prize

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AAS Honors Wallace Sargent With Helen Warner Prize

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Dirac Receives Miami Center Oppenheimer Memorial Prize

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NBS Stratton and Rosa Awards To D. Lide and W. Meinke

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W. DeSorbo Was Researcher In Low Temperature Physics

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Frank Matossi, Physical Chemist, Dies in Germany

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Gunnar Källén Was Theoretical Physicist

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Sister Mary Allard; Chairman at D'Youville

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Phimsy

R. Hobart Ellis, Jr and Richard E. Swing
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Activist Groups Seek Ways To Bring Science into Politics

John P. Wiley, Editor
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Feinberg, Commoner, Crane Probe Scientists' Social Role

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All‐Girl Physics Course Makes Converts in Illinois

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FAS Welcomes Sakharov Essay; Hollander to Edit Response

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Research Stoppage Focuses On National Science Goals

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Placement Figures Show Tight Physics Job Market

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Dissidents Force a Vote On 1970 Chicago Meeting

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Exhibit, General Sessions Highlight Washington Meeting

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SPS Gives 9 Undergraduate Cash Awards for Research

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AAPT Announces Winners of Apparatus Competition

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Humanists Dissect Morals, Models, Graphics of Science

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In Brief

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Calendar

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The Practical Need for Beauty

R. Hobart Ellis, Jr
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