Just going off of general chemistry knowledge, vibration may be speeding up the chemical reactions that are happening in the wine (aging). Same as stirring. ED

Just going off of general chemistry knowledge, vibration may be speeding up the chemical reactions that are happening in the wine (aging). Same as stirring. EDIT> For a reaction A + B -> C, the more chances molecules of A and B have to get into contact, the faster the reaction could run since chemistry is just atoms bumping into atoms. Stirring or shaking can bring more unreacted A's and B's together.