Twenty years later ... Is it back? Papers presented at the American Chemical Society's national meeting, held in March in Salt Lake City, Utah, reported results in the production of neutrons, gamma rays, and excess heat from conventional chemical reactions-in short, the kind of "cold fusion" announced by University of Utah researchers in the spring of 1989. The papers were part of a "new energy technology" track held as an observance of the 20th anniversary of what had been a raging furor, with the Utah results roundly criticized and never convincingly replicated, even as some of the resistance was attributed to the presumed indignation of physicists over an intrusion into their field by chemists.
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