Photons interact much more easily with matter. Photons are massless whereas neut...

_3u10 on Nov 18, 2011 | parent | context | favorite | on: Neutrino experiment affirms faster-than-light clai...

Photons interact much more easily with matter. Photons are massless whereas neutrinos are believed to have mass. Also, photons mediate the electromagnetic force where as neutrinos only interact with the weak subatomic force.