time of pulse fall constant
41chemical kinetics — Introduction the branch of physical chemistry (chemistry) that is concerned with understanding the rates of chemical reactions (chemical reaction). It is to be contrasted with thermodynamics, which deals with the direction in which a… …
42Galileo Galilei — For other uses of Galileo , see Galileo (disambiguation). For other uses of Galileo Galilei , see Galileo Galilei (disambiguation) …
43List of electronics topics — Alphabetization has been neglected in some parts of this article (the b section in particular). You can help by editing it. This is a list of communications, computers, electronic circuits, fiberoptics, microelectronics, medical electronics,… …
44HEBREW LITERATURE, MODERN — definition and scope beginnings periodization …
45Bat — For other uses, see Bat (disambiguation). Bats Temporal range: 52–0 Ma …
46Iron Man's armor — refers to the powered metal suit worn by Tony Stark when he assumes his superhero role of Iron Man. The first version of the armor was created by Stark with the help of Ho Yinsen. Unlike most other superheroes, the appearance of Stark s armor has …
47radioactivity — /ray dee oh ak tiv i tee/, n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. Also called activity. [1895… …
48African music — Introduction the musical sounds and practices of all indigenous peoples of Africa, including the Berber in the Sahara and the San (Bushmen) and Khoikhoin (Hottentot) in Southern Africa. The music of European settler communities and that of… …
49Gas metal arc welding — RMD redirects here. RMD may also refer to IRA Required Minimum Distributions. Gas metal arc welding …
50List of apocalyptic and post-apocalyptic fiction — This is a list of apocalyptic and post apocalyptic fiction works, sorted by the nature of the catastrophe portrayed.World War III and other apocalyptic wars (between humans)Films1930s*1936. Things to Come , in which an extended future second… …
