100,000,000,000 Neutrinos Are Passing Through You as You Read These Words

Neutrino events from a supernova were first captured in 1987, when a star in the Large Magellanic Cloud exploded, seen here in a wide-field image from Hubble. Credits: NASA/STScI By Korena Di Roma HowleyFor a particle with no charge and nearly no mass, the neutrino gets a lot of scientific press--and it's no wonder it's captured the attention of physicists (though non-physicists might, for the most part, be unaware that scientists have built massive underground water tanks thousands of feet belo...