Nitrous oxide Nitrous oxide Nitrous oxide, commonly known as laughing gas or nitrous, is a chemical compound, an oxide of nitrogen with the formula . At room temperature, it is a colourless non-flammable gas, with a slight metallic scent and taste. At elevated temperatures, nitrous oxide is a powerful oxidizer similar to molecular oxygen. It is soluble in water. Nitrous oxide has significant medical uses, especially in surgery and dentistry, for its anaesthetic and pain reducing effects. Its name "laughing gas", coined by Humphry Davy, is due to the euphoric effects upon inhaling it, a property that has led to its recreational
Laughing Gravy while a voice actress just off-camera spoke into a "hot" mic. Laughing Gravy Laughing Gravy is a 1930 short film comedy starring Laurel and Hardy. It was directed by James W. Horne, produced by Hal Roach and distributed by Metro-Goldwyn-Mayer. (The eponymous dog's name is a sly reference to liquor - Prohibition was still in force in the USA at the time the film was made.) On a snowy winter's night, Laurel and Hardy try to keep their pet dog 'Laughing Gravy' hidden from their landlord, mostly without success. The landlord eventually orders them to leave, but fate takes a