Product dimensions measured on a flatly laid out product.
Tip: measure an item of clothing at hand to compare.
A quark is an elementary particle, but how small is it? If an elementary particle truly has no substructure, then it is one of the basic building blocks of the universe from which all other particles are made.
Tags: Elementary Particles, Particles, ant, atom, boson, botom, charm, down, electron, geek, gluon, leptons, molecule, muon, nerd, nerdvana, neutrino, photon, quark, small, strange, tau, top, up