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Google Revives Controversial Cold-Fusion Experiments

mercredi 29 mai 2019, 02:45 , par Slashdot
According to a peer-reviewed paper revealed this week, Google is continuing its experiments into the controversial science of cold fusion -- the theory that nuclear fusion, the process that powers the Sun, can produce energy in a table-top experiment at room temperature. While Google's recent project found no evidence that cold fusion is possible, it did make some advances in measurement and materials-science techniques that the researchers say could benefit energy research. 'The team also hopes that its work will inspire others to revisit cold-fusion experiments, even if the phenomenon still fails to materialize,' reports Nature. From the report: The Google team explored three experimental set-ups that have been proposed to generate cold fusion -- two involving palladium and hydrogen, and one involving metallic powders and hydrogen. None foundï evidence of fusion. The results have been published across 12 papers over the past 2 years: 9 in peer-reviewed journals and 3ï on the arXiv preprint server.

In March 1989, two U.S.-based chemists Stanley Pons and Martin Fleischmann announced that they had seen excess heat and fusion-reaction products -- signs of nuclear fusion -- when they ran a current across two palladium plates in water laden with deuterium, a heavy isotope of hydrogen. Others quickly pointed out errors in their experimental procedure. Since then, two U.S. Department of Energy reviews have found no evidence of the phenomenon. But cold fusion -- now commonly referred to as low-energy nuclear reactions -- has retained a persistent following that continues to claim evidence of success. Google's $10-million project aimed to test the cold-fusion claims rigorously in a field that lacked credible scientific data, says Matthew Trevithick, a research program manager at Google. Another goal was also to push methods in challenging experimental conditions. But, he adds: 'The fact that the pay-out could be huge is definitely a component of our interest.

Read more of this story at Slashdot.
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