This thread is a place to start. In it, there are a number of posts talking about why c shows up in so many places, such as E=mc2). (Unfortunately the old vBulletin markup gets in the way in a few parts.)
This thread is a place to start. In it, there are a number of posts talking about why c shows up in so many places, such as E=mc2). (Unfortunately the old vBulletin markup gets in the way in a few parts.)