A METHOD FOR TREATING A PERISHABLE OBJECT. THE METHOD COMPRISES EXPOSING THE PERISHABLE OBJECT TO A SOUTH MAGNETIC FIELD CREATED BY MAGNETIC INTERFERENCE OF A PLURALITY OF MAGNETS WHEREIN THE EXPOSURE CONTROLS A SURFACE TEMPERATURE OF THE PERISHABLE OBJECT OR A RATE OF DEHYDRATION OF THE PERISHABLE OBJECT WHEREIN THE PLURALITY OF MAGNETS ARE SELECTED FROM THE GROUP CONSISTING OF ELECTROMAGNETS AND PERMANENT MAGNETS WHEREIN THE EXPOSURE RATE CONTROLS A RATE OF MELTING OF THE PERISHABLE OBJECT WHEREIN THE PERISHABLE OBJECT COMPRISES ICE AND WHEREIN THE METHOD FURTHER COMPRISES UTILIZING THE ICE TO COOL ANOTHER PERISHABLE OBJECT.