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
Leave 'Em Laughing to get his tooth pulled. The dentist leaves and Ollie demonstrates how Stan should sit and not be afraid. Meanwhile, the dentist tells one of his partners that he should go to the guy who is sitting in the chair and pull his tooth out. He ended up pulling Ollie's tooth. When Stan is back in the chair, he knocks over a gas cartridge which makes everyone laugh. Stan and Ollie leave the office and go to their car, still laughing their heads off from the gas. "Leave 'Em Laughing" was remade by The Three Stooges in 1943, as ""I