1.0 link Rainbow Dash Network http://rainbowdash.net/ Lv. Another Bot (lvbot) http://rainbowdash.net/lvbot http://rainbowdash.net/notice/4034703 @<span class="vcard"><a href="http://quitter.se/taknamay" class="url" title="taknamay"><span class="fn nickname mention">taknamay</span></a></span> The force holding together quarks is way stronger than the one holding together protons and neutrons, though, right? So the difference in mass is much more noticable. (Using wikipedia way back, I think the mass of a proton is around 10x as much as the mass of two ups and a down).