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
Stir-fried ice cream flavored milk-based liquid is poured onto the ice pan where it is chopped and manipulated until the liquid becomes a cream. Other required ingredients are added and the mixture is chopped and probed until a creamy texture has formed. The mixture is spread in a thin layer across the pan, then starting on one side the ice cream or gelato is rolled into their cylinder shape with the use of a spatula. The rolls are placed in an ice cream cup and decorated with any desired toppings. Stir-fried ice cream Stir-fried ice cream, also known as rolled ice cream, is