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November 1977

Volume 30, Issue 11

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Infrared detectors

Henry Levinstein
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Military uses have given way to a wide range of general applications with the development, since the 1940's, of polycrystalline‐film and, later, single‐crystal infrared photon detectors.

Detectors for lightwave communication

Hans Melchior
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Silicon photodiodes, particularly those of the avalanche type, offer speed, efficiency, sensitivity and reliability—both for the systems now in development and future ones at longer wavelengths.

Microchannel plates

Branko Leskovar
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Sophisticated fabrication techniques have made it possible to create these new detectors for photons—and other radiations—with good time resolution and low noise, and with special advantages for imaging.

Germanium gamma‐ray detectors

Richard H. Pehl
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Devices either of lithium‐drifted germanium or the more recently developed high‐purity type find uses in such fields as nuclear and exotic‐atom studies, nuclear medicine and activation analysis.
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PhD language requirement

Owen Gingerich
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Physicists' image

Robert Hermann and Alice Macnow
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Nuclear safety

Richard E. Webb and H. W. Lewis
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Kirkhoff versus Kirchhoff

P. M. Pfalzner and R. P. Boas
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More on fission vs. coal

Robert Scully and Joseph J. Devaney
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Correction

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Evidence grows for charged heavy lepton at 1.8–2.0 GeV

Gloria B. Lubkin
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Energetic oxygen ions stream up to magnetosphere

William A. Flanagan
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Stellar disk suggests planet formation

Gloria B. Lubkin
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Solar test facility yields 1.7‐MW power

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In Brief

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The Visible Scientists and The Future of Science

R. Goodell, T. C. L. Robinson, Editor, and Rodney W. Nichols, Reviewer
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Ion Implantation of Semiconductors

G. Carter, W. A. Grant, and J. M. Poate, Reviewer
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Space and Time in the Modern Universe

P. C. W. Davies and J. David Nightingale, Reviewer
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The Structure of the Universe

J. Narlikar and David N. Schramm, Reviewer
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New Books

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New Products

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John Dawson receives APS Maxwell plasma‐physics prize

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German Physical Society honors Walter Thirring

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FREE

Jesse W. Beams

J. Curry Street
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FREE

Joseph H. Keenan

Ascher Shapiro
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FREE

Andrew Guthrie

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John W. Matthews

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FREE

Bruce C. Heezen

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Calendar

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Deutch and Thorne to fill two key DOE research posts

Floyd C. Bennett
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Sandweiss panel urges construction of Isabelle at BNL

Gloria B. Lubkin
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NSF to test electronic information exchange

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Frank Press staffs his science‐policy office

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Industry lends staff to minority colleges

Robin A. White
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OSA elects Smith vice‐president

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In Brief

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Photon detectors: from yesterday to tomorrow

Max Garbuny
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