Palmitic acid World War II to produce napalm. The word "napalm" is derived from the words naphthenic acid and palmitic acid. Palmitic acid was discovered by Edmond Frémy in 1840, in saponified palm oil. This remains the primary industrial route for its production, with the triglycerides (fats) in palm oil being hydrolysed by high temperature water (above ), and the resulting mixture fractionally distilled to give the pure product. Palmitic acid is naturally produced by a wide range of other plants and organisms, typically at low levels. It is naturally present in butter, cheese, milk, and meat, as well as cocoa butter,
Chain weapon on a handled chain. The chigriki was a staff with a weighted chain on the end. The manriki-gusari was a double weighted chain. The nunchaku was a short chain with two short wooden sticks on the ends. The nunchaku is often thought of as a feudal weapon. It was used in those times for farming and not as a weapon until much later. Chain weapon A chain weapon is a weapon made of one or more heavy objects attached to a chain, sometimes with a handle. The flail was one of the more common types of chain weapons associated with