Lost and found
The news that neutrinos have mass is both good and bad
PHYSICISTS are a notoriously absent-minded bunch. It is, nonetheless, exciting when they find something that has been lost for nearly 30 years. In a paper submitted on June 18th to Physical Review Letters, researchers at the Sudbury Neutrino Observatory (SNO) in Canada report the discovery of some missing neutrinos—the ones that theoreticians have long supposed the sun emits, but observers have been unable to detect.
This article appeared in the Science & technology section of the print edition under the headline “Lost and found”
From the June 23rd 2001 edition
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