Berkeley Lab Research Review
Emitted as the result of thermonuclear reactions in the core of the sun and supernovae, the ghostlike elementary particles called "neutrinos" usually travel unnoticed through space, in immense numbers and across vast distances. However, the discovery that these erstwhile phantoms have mass and are polymorphous generated substantial notice from the media on Earth.

he announcement on June 18, 2001 of the first physics results from the Sudbury Neutrino Observatory (SNO) in which it was shown that solar neutrinos have a mass and can "oscillate" or change their identity en route from the sun to the Earth made headlines in newspapers all over the globe. The discovery was even the subject of an entire broadcast of the popular ABC news show Nightline.
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