tempering
41Mersenne twister — The Mersenne twister is a pseudorandom number generator developed in 1997 by Makoto Matsumoto (松本 眞?) and Takuji Nishimura (西村 拓士?)[1] …
42Heat treatment — is a method used to alter the physical, and sometimes chemical, properties of a material. The most common application is metallurgical. Heat treatments are also used in the manufacture of many other materials, such as glass. Heat treatment… …
43Cryogenics — For cryopreservation/resuscitation, see Cryonics. For the band, see Cryogenic (band). In physics, cryogenics is the study of the production of very low temperature (below −150 °C, −238 °F or 123 K) and the behavior of materials at those… …
44Water heating — is a thermodynamic process using an energy source to heat water above its initial temperature. Typical domestic uses of hot water are for cooking, cleaning, bathing, and space heating. In industry, both hot water and water heated to steam have… …
45Temper — Temperare (to mix correctly) is the Latin origin of words like temperature and tempering ; it and tempo come, in turn, from tempus (time or season). Thus, the word temper can refer (at least informally) to any time and temperature sensitive… …
46metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
47Ceramics of indigenous peoples of the Americas — Moche portrait vessel, Musée du quai Branly, ca. 100 700 CE, 16 x 29 x 22 cm …
48Edison Records — was the first record label, pioneering recorded sound and an important player in the early record industry. Early phonographs before commercial mass produced records Thomas A. Edison invented the phonograph, the first device for recording and… …
49Coil spring — A compression coil spring …
50Carbon steel — Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) Pearlite (88% ferrite, 12% cementite) …
