Porcelain Porcelain Porcelain () is a ceramic material made by heating materials, generally including kaolin, in a kiln to temperatures between . The toughness, strength, and translucence of porcelain, relative to other types of pottery, arises mainly from vitrification and the formation of the mineral mullite within the body at these high temperatures. Though definitions vary, porcelain can be divided into three main categories: hard-paste, soft-paste and bone china. The category that an object belongs to depends on the composition of the paste used to make the body of the porcelain object and the firing conditions. Porcelain slowly evolved in China
Querelles de famille In the other, he asks for the creation of a "Ministry of Noise", charged with legislating schedules for the use of musical appliances and radios on beaches, with studying the impact of noise on health, with proposing industrial procedures for the neutralization of noise, and finally, his dream, with creating a national park of silence. This novel directly follows "Scènes de la vie future" (Scenes of Future Life) which recounts his trip to the United States in the years 1929 and 1930 and the excesses of the consumer society that he discovers there. Querelles de famille Querelles de famille (Family