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
Cocktail strainer to fit inside the glass. The rim of the strainer does not need to touch the rim of the glass, as the spring inside filters out the ice. The Julep strainer is shaped like a bowl with a handle, and will fit tightly into a mixing glass or shaker when inserted at the proper angle. Liquid passes through holes or slits in the bowl. Cocktail strainer A cocktail strainer is a metal bar accessory used to remove ice from a mixed drink as it is poured into the serving glass. A type of sieve, the strainer is placed over the