If you've read anything
about physics, then you will read many words ending with "ON" words
like proton, neutron, gluon, photon, boson, fermion and on and on and on ...
One of the words with which you might have found it "graviton". Let's
be clear: At the moment, the graviton is a purely theoretical concept that
walks the edge of the boundary between the domains of science and speculation
seriously.
