Liquid nitrogen evaporates, and can cause violent oxidation of organic material. Ingestion of liquid nitrogen can cause severe internal damage, due to freezing of the tissues which come in contact with it and to the volume of gaseous nitrogen evolved as the liquid is warmed by body heat. In 1997, a physics student demonstrating the Leidenfrost effect by holding liquid nitrogen in his mouth accidentally swallowed the substance, resulting in near-fatal injuries. This was apparently the first case in medical literature of liquid nitrogen ingestion. In 2012, a young woman in England had her stomach removed after ingesting a cocktail made with
The Emperor of Ice-Cream business trips to Florida. The 'emperor' of ice cream is illustrated through imagery by Stevens as sufficiently ruddy to churn the ice cream and blend its sugar in order to make the customary funeral treat used in the country. Thomas C. Grey in his book on Stevens sees the poem as a harsh didactic lesson studying the use of the metaphor of 'coldness' in Stevens. As Grey states: "Stevens knows the corruptions of coldness as well as its beauties. Chief among them is the heartless selfishness, represented by the sweet sinister cold of 'The Emperor of Ice-Cream.' In the kitchen