Saturday, December 4, 2010


Neutrinos are easy to overlook - in more ways than one! In addition to bring only roughly the size of an electron, the only one of the fundamental forces that consistently affects neutrinos is the extremely short-range "weak" force. That means they are no only invisible to normal observation techniques, but that they can even pass through solid matter without interacting with it. Neutrinos are sometimes called "ghost particles" because of this.

This website—hosted by the University of California Irvine School of Physical Sciences—offers a concise, accessible description of neutrinos and a historical timeline of advances in our understanding of them, as well as a FAQ about the "ghost particles", and related links.

"What's a neutrino?"

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