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January 1997

Volume 50, Issue 1

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ARTICLES

Select this Article		Porous Silicon: From Luminescence to LEDs Reuben T. Collins, Philippe M. Fauchet, and Michael A. Tischler

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	+ -	Show Topic With its tunable light emission, room‐temperature quantum efficiencies near 10% and increasingly efficient light‐emitting diodes, porous silicon may hold the promise of fully integrated optoelectronic devices.

Select this Article		The Discovery of the Risk of Global Warming Spencer R. Weart

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	+ -	Show Topic An accidental confluence of old interests and new techniques led a few scientists in the 1950s to realize that human activity might be changing the world's climate.

Select this Article		Physicists in Finance Joseph M. Pimbley

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	+ -	Show Topic Though the challenges of “quantitative finance” are diverse and often exhilarating, success for the erstwhile physicist is not at all assured. What factors are involved in making the transition to finance?

PHYSICS UPDATE

Select this Article		Physics Update Phillip F. Schewe and Benjamin P. Stein See Also: Erratum

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LETTERS

Select this Article		Discussion of Nature of Science Provokes Hit‐or‐Myth Debate Joseph F. Dolan, Belver C. Griffith, Anthony G. Basile, Alfred Kracher, Roger L. Burnley, Harry Collins, Trevor Pinch, and N. David Mermin

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Select this Article		Sociologists, Scientist Pick at Threads of Argument about Science Harry Collins, Trevor Pinch, and N. David Mermin

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Select this Article		ITER Debaters Reply to Pro and Con Fusion Comments from Readers Marshall Rosenbluth, Andrew Sessler, and Thomas Stix

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SEARCH AND DISCOVERY

Select this Article		Hysteresis Steps Demonstrate Quantum Tunneling of Molecular Spins Bertram Schwarzschild

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	+ -	Show Topic When molecular spins in a crystal tunnel in lockstep under potential barriers, one sees not only a spectacular demonstration of quantum effects, but also the promise of magnetic information storage by individual molecules.

Select this Article		Experiment Signals a New Phase of Quantum Dot Measurements Barbara Goss Levi

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	+ -	Show Topic Asophisticated experiment has measured the phase change in the electronic wavefunction as a charge crosses a quantum dot, a tiny, nearly isolated bit of conducting material. The phase change gives new information about the electronic interactions, previously studied only through measurements of the magnitude of the transmission.

OPINION

Select this Article		Was Sokal's Hoax Justified? Kurt Gottfried

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BOOKS

Select this Article		A History of Modern Planetary Physics Stephen G. Brush and Curtis Wilson, Reviewer

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Select this Article		The Pioneers of NMR and Magnetic Resonance in Medicine: The Story of MRI James Mattson, Merrill Simon, and Paul R. Moran, Reviewer

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Select this Article		The Quantum Theory of Fields, Vol. II: Modern Applications Steven Weinberg and O. W. Greenberg, Reviewer

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Select this Article		Time's Arrow and Archimedes’ Point Huw Price and Joel Lebowitz, Reviewer See Also: Erratum

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Select this Article		Modelling Molecular Structures Alan Hindcliffe and Mark Ratner, Reviewer

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Select this Article		Blind Watchers of the Sky: The People and Ideas that Shaped Our View of the Universe Rocky Kolb and Alan Dressler, Reviewer

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Select this Article		Solar System Astronomy in America: Communities, Patronage, and Interdisciplinary Science, 1920–1960 Ronald E. Doel and Donald E. Osterbrock, Reviewer See Also: Erratum

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Select this Article		Driving Force: The Natural Magic of Magnets James D. Livingston and Frederick R. Fickett, Reviewer

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Select this Article		New Books

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NEW PRODUCTS

Select this Article		Focus on Data Acquisition

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WE HEAR THAT

Select this Article		Acoustical Societies of America and Japan Present Awards

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Select this Article		In Brief

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OBITUARIES

Select this Article FREE		Clyde E. Wiegand Owen Chamberlain, Herbert Steiner, and Thomas Ypsilantis

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Select this Article FREE		Kenneth Tompkins Bainbridge Robert V. Pound

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Select this Article FREE		Alexander Langsdorf Jr Paul Mooring and Roy Ringo

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WASHINGTON REPORTS

Select this Article		Research Council Panel Tries to End Controversy Linking EMFs with Cancer and Other Health Disorders Irwin Goodwin See Also: Erratum

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Select this Article		Whither Physics? NRC Panel Initiates New Survey in Era of Limits Irwin Goodwin

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Select this Article		Engineering Academy Pays $687 500 Hush Money to Ousted President to Avoid Unseemly Squabble Irwin Goodwin

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Select this Article		NSF Drafts New Criteria for Judging Proposal Reviews

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PHYSICS COMMUNITY

Select this Article		PPPL Seeks New Director, New Directions Toni Feder

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Select this Article		Suicide and Resignation at Russian Nuclear Weapons Labs Symbolizes Plight of Scientists and Increases Fears in West Irwin Goodwin

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Select this Article		Nuclear Waste Shipment Sparks Protests Toni Feder

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Select this Article		Melliar‐Smith Is New Sematech President Jean Kumagai

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Select this Article		AIP Celebrates 60 Years of Ties with Industry Toni Feder

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Select this Article		Kirkpatrick Elected Vice President of AAPT

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Select this Article		Friedman Will Lead APS in 1999

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CALENDAR

Select this Article		Calendar See Also: Erratum

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January 1997

Volume 50, Issue 1

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