Napalm's the name given to any of a number of flammable liquids used in warfare, often jellied gasoline. Napalm's actually the thickener in such liquids, which when mixed with gasoline makes a sticky incendiary gel. Developed by the U.S. in World War II by a team of Harvard chemists led by Louis Fieser, its name's a portmanteau of the names of its original ingredients, coprecipitated aluminium salts of naphthenic and palmitic acids. These were added to the flammable substance to cause it to gel… (More on Napalm)