shielding factor
31radioactivity — /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… …
32Muon-catalyzed fusion — This article refers to the original use of the term cold fusion. For the controversial experiments known as cold fusion, see Cold fusion. For other uses, see Cold Fusion (disambiguation). Muon catalyzed fusion (μCF) is a process allowing nuclear… …
33Nuclear and radiation accidents — This article is about nuclear and radiation accidents in general. For a list of military nuclear accidents, see List of military nuclear accidents. For a list of civilian nuclear accidents, see List of civilian nuclear accidents. For a discussion …
34List of vacuum tubes — This is a list of vacuum tubes or thermionic valves. Before the advent of semiconductor devices, hundreds of tube types were used in consumer and industrial electronics; today only a few types are still used in specialized applications. Contents… …
35Nuclear reactor physics — See also: Critical mass Nuclear reactor physics is the branch of science that deals with the study and application of chain reaction to induce controlled rate of fission for energy in reactors. Most nuclear reactors use a chain reaction to induce …
36Peter Debye — Infobox Scientist name = Peter Debye image size= 180px birth date = birth date|1884|3|24|mf=y birth place = Maastricht, Netherlands death date = death date and age|1966|11|2|1884|3|24 death place = Ithaca, New York, USA nationality = Netherlands… …
37Radiation poisoning — Radiation poisoning, also called radiation sickness or a creeping dose , is a form of damage to organ tissue due to excessive exposure to ionizing radiation. The term is generally used to refer to acute problems caused by a large dosage of… …
38Doctor Doomsday — Superherobox| caption=Art by Tom Grummett comic color=background:#ff8080 character name=Doctor Doomsday real name=Victor Von Doom publisher=Amalgam Comics debut= Challengers of the Fantastic #5 (fake), X Patrol #1 (real) creators= alliance… …
39tort — /tawrt/, n. Law. a wrongful act, not including a breach of contract or trust, that results in injury to another s person, property, reputation, or the like, and for which the injured party is entitled to compensation. [1350 1400; ME: injury,… …
40Relativistic rocket — A relativistic rocket is any spacecraft that is travelling at a velocity close enough to light speed for relativistic effects to become significant. What significant means is a matter of context, but generally speaking a velocity of at least 50%… …
