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61One-time password — A one time password (OTP) is a password that is valid for only one login session or transaction. OTPs avoid a number of shortcomings that are associated with traditional (static) passwords. The most important shortcoming that is addressed by OTPs …
62Halakha — Part of a series on …
63Fresnel diffraction — In optics, the Fresnel diffraction equation for near field diffraction, is an approximation of Kirchhoff Fresnel diffraction that can be applied to the propagation of waves in the near field.[1] The near field can be specified by the Fresnel… …
64physical science — physical scientist. 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. [1835 45] * * * Introduction the systematic study of the inorganic world …
65Regulation and licensure in engineering — Regulation of the engineering profession is established by various jurisdictions of the world to protect the safety, well being and other interests of the general public, and to define the licensure process through which an engineer becomes… …
66Chemical equilibrium — In a chemical reaction, chemical equilibrium is the state in which the concentrations of the reactants and products have not yet changed with time. It occurs only in reversible reactions, and not in irreversible reactions. Usually, this state… …
67Torah im Derech Eretz — Part of a series of articles on Jews and Judaism …
68Street football — s). Often the most basic of set ups will involve just a ball with a wall or fence used as a goal, or items such as clothing being used for goalposts (hence the phrase jumpers for goalposts ). The ease of playing these informal games means that… …
69Vehicle registration plates of Canada — In Canada, licence plates [The spelling license is preferred in the U.S., the spelling licence in Canada for the noun and license for the verb.] are issued by an agency of the provincial or territorial government. Diplomats and consular staff are …
70fencing — /fen sing/, n. 1. the art, practice, or sport in which an épée, foil, or saber is used for defense and attack. 2. a parrying of arguments; avoidance of direct answers: political fencing on important issues. 3. an enclosure or railing. 4. fences… …
