Looks like a fun way to spend an afternoon. http://speedsociety.com/dont-mix-coke-with-liquid-nitrogen/?source=trucks
@Ike Willis Neat! Liquid Nitrogen is a bit hard to obtain, and now you have me wondering about liquid Carbon Dioxide, or liquid air, either of which might be a bit dangerous due to the presence of Oxygen. If the pressure got high enough quickly enough, plastic shrapnel! Frank