Heating Up (and Cooling Off) Food and Beverage Packaging

Fire and ice. Steam and water. Resistance and radiation. Exothermic and endothermic reactions. And now, micro/nano electronics.

Mankind has used heat to enhance and preserve foods since the beginnings of our meanderings on this planet. And cold has been used to preserve foods for many millennia. Invariably, until last century, the delta temperatures have come from independent external sources. Cookfires, fireplaces, and sawdusted ice blocks are legendary in folklore and history. From the onset of…