On the Cover
November-December 2000 Volume 88, Number 6
Sunset marks the beginning of an evening's observing session for the
2.1-meter Struve Telescope at the McDonald Observatory at the University
of Texas. The Struve is part of a global network of modest-aperture
instruments that make up the Whole Earth Telescope collaboration, which
studies the remnants of Sun-like stars, known as white dwarfs. ...
FEATURE ARTICLES
Steven Garrett, Scott Backhaus
Sound waves in "thermoacoustic" engines and refrigerators can replace the pistons and cranks that are typically built into such machinery
Manuel Martínez-Bueno, Antonio Gálvez, Mercedes Maqueda, Eva Valdivia
What can the volume and authorship of scientific articles tell us about scientific progress in various regions?
Hisham Hamadeh, Cynthia Afshari
A new technology will allow environmental health scientists to track the expression of thousands of genes in a single, fast and easy test
Steven Kawaler, Michael Dahlstrom
The remnants of Sun-like stars, white dwarfs offer clues to the identity of dark matter and the age of our Galaxy
Kristie Macrakis
East Germany acquired technology the old-fashioned way: by stealing it. But did it do their industrial enterprise any good?
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