Ponder the Physics of Chocolate Fountains During Your New Year's Revels

New Year's revelers will be heading out to all kinds of parties tonight, and chances are a good percentage will be tempted by the presence of a chocolate fountain--just a teensy bit of indulgence before those resolutions kick in. Perhaps those with a scientific bent could find themselves pondering, just for a moment, the complicated physics involved in all that chocolaty goodness.