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February 1970

Volume 23, Issue 2

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The chemical bond and solid‐state physics

James C. Phillips
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A new scale of ionicity, with which the ionic character of bonding in crystals can be predicted and measured, has led to improved understanding of such crystalline properties as lattice structure, heats of formation, elastic constants and nonlinear optical properties.

Cosmology: A search for two numbers

Allan R. Sandage
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Precision measurements of the rate of expansion and the deceleration of the universe may soon provide a major test of cosmological models

A history‐of‐physics laboratory

Samuel Devons and Lillian Hartmann
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A laboratory in which students can reproduce historically significant physics experiments provides them with a useful change of viewpoint.

Natural coordinates for electrons in solids

Joshua Zak
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The adage that solving a physics problem is a question of finding the right coordinate system is demonstrated for electrons in crystals. Coordinates that reflect the regularity of the crystal greatly simplify the problem.
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More views on the job crisis

W. N. Lawless, John A. McIntyre, Arnold E. Galef, R. C. Hansen, and Richard H. Lyon
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Superconducting priority

Juri Matisoo
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Beyond the Schwartz amendment

Charles Schwartz
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New polarized‐electron source

Raymond J. Krisciokaitis
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Drafted scientist

Lee R. Alley
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Older than she looks

Humphrey Maris and Robert T. Beyer
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Neutron Scattering Verifies Dynamic Scaling

Gloria B. Lubkin
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Panel Suggests New Uses for Accelerators of 6 MeV or Less

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Doppler Shift Is Used to Study Superfluid Currents

Barbara G. Levi
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Theorists Honor Uhlenbeck with Statistical‐Mechanics Meeting

Arnold J. F. Siegert and Colin J. Thompson
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Delaware Luminescence Meeting Covers Organics and Inorganics

R. B. Murray
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A Portrait of Isaac Newton

Frank E. Manuel and Robert S. Shankland, Reviewer
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Thermal Physics

Edward A. Desloge and Garrison Sposito, Reviewer
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Physical Properties of Graphite

W. N. Reynolds and George Montet, Reviewer
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Principles of Stellar Evolution

Donald D. Clayton and R. A. James, Reviewer
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The Promise of Space

Arthur C. Clarke and Donald J. Montgomery, Reviewer
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Vistas in Astronomy, Vol. 9 and 10

Arthur Beer, Editor and John Sutton, Reviewer
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Precision Measurement and Calibration

J. F. Swindells, Editor and James B. Kelley, Reviewer
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Théorie du Magnétisme

André Herpin and Daniel C. Mattis, Reviewer
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Physics of Shock Waves and High‐Temperature Hydrodynamic Phenomena, Vol. 2

Ya. B. Zel'dovich, Yu. P. Raizer, Wallace D. Hayes, Ronald F. Probstein, Editor, and Rolf Landshoff, Reviewer
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Another Look at Atlantis and Fifteen Other Essays

Willy Ley and Jacques E. Romain, Reviewer
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Collective Models of the Nucleus

J. P. Davidson and Henry S. Valk, Reviewer
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Electron Impact Excitation of Atoms

B. L. Moiseiwitsch, S. J. Smith, and Bruce W. Shore, Reviewer
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Methods in Experimental Physics, Vol. 7B: Atomic and Electron Physics

Benjamin Bederson, Wade Fite, Editor, and Gilbert O. Brink, Reviewer
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Electron Image Storage

B. Kazan, M. Knoll, Editor, and Ladislaus Marton, Reviewer
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Chemistry and Physics of Carbon: A Series of Advances, Vol. 4

Philip L. Walker, Jr, Editor and Martin E. Straumanis, Reviewer
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Lectures on the Mössbauser Effect

J. Danon and Gunther K. Wertheim, Reviewer
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Optical Properties and Band Structures of Semiconductors

David L. Greenaway, Gunther Harbeke, and Harold Mendlowitz, Reviewer
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Theorian del Kosmolgie

Otto Heckmann and Ernst J. Opik, Reviewer
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Spectroscopic and Group Theoretical Methods in Physics

F. Bloch, S. G. Cohen, A. deShalit, S. Sambursky, I. Talmi, Editor, and Don B. Lichtenberg, Reviewer
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Principes de Combinatoire

C. Berge and Fred L. Wilson, Reviewer
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NEW BOOKS

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We Hear That

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Phimsy Disappears

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IEEE Elects Officers And Presents Awards

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Bradbury to Retire From Los Alamos Laboratory

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Samuel Devons Wins IPPS Rutherford Medal and Award

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Franklin Institute Has New Head and Presents Awards

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Geological Society Honors Harold Urey, Francis Birch

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ASA Awards 1st Trent‐Crede Medal to C. Irwin Vigness

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Walter H. Zinn Receives AEC Enrico Fermi Medal

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NASA Distinguished Service Medal Goes to Charles Townes

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Arthur Ruark Retires from AEC Division of Research

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David Z. Robinson to be Carnegie Vice‐President

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FREE

Moses Jacobson, Physicist at Mine Safety Appliances Co.

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Vesto M. Slipher, Directed Lowell Observatory, Dies

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Leroy Augenstein, Michigan State Biophysicist, Dies at 41

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Daniel W. Healy, Jr, 54; Rochester Department Head

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FREE

Francis Smith, Professor And Former Dean at Drexel

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Congress Requires Relevance for DOD Research

Gloria B. Lubkin
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New Academy Committee Begins Physics Survey

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AIP and APS Suspend Delay For Unsupported Papers

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IUPAP Elects Officers Creates Plasma Commission

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NAS Panel Urges Greater Role in Apollo for Science

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APS Publishes New Pamphlet, Physical Review Abstracts

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Marshak Works to Organize A World Science Foundation

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IN BRIEF

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CALENDAR

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Hold That Meat Axe

Harold L. Davis
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