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Message authentication code. In cryptography, a message authentication code ( MAC ), sometimes known as an authentication tag, is a short piece of information used for authenticating and integrity -checking a message. In other words, to confirm that the message came from the stated sender (its authenticity) and has not been changed (its integrity).
Large eddy simulation ( LES) is a mathematical model for turbulence used in computational fluid dynamics. It was initially proposed in 1963 by Joseph Smagorinsky to simulate atmospheric air currents, [1] and first explored by Deardorff (1970). [2] LES is currently applied in a wide variety of engineering applications, including combustion, [3 ...
Authentication. ATM user authenticating himself. Authentication (from Greek: αὐθεντικός authentikos, "real, genuine", from αὐθέντης authentes, "author") is the act of proving an assertion, such as the identity of a computer system user. In contrast with identification, the act of indicating a person or thing's identity ...
5 July 1948 [1] Number built. 93 (all marks) The Schweizer SGS 1-23 is a United States Open and Standard Class, single-seat, mid-wing glider built by Schweizer Aircraft of Elmira, New York. [2] The original "standard" 1-23 was introduced in 1948. [3] The aircraft quickly became the most numerous competition and performance sailplane in the USA.
Massar may refer to: People. Frank Massar, British martial artist; Kathryn Johnston Massar, Little League baseball player; Robert J. Massar, founding partner of Dearborn-Massar; Other. 18946 Massar, an asteroid; Al-Massar, an alternate name for Tunisian political party Social Democratic Path; Massar Egbari, Egyptian band; See also
The development of the Standard Model was driven by theoretical and experimental particle physicists alike. The Standard Model is a paradigm of a quantum field theory for theorists, exhibiting a wide range of phenomena, including spontaneous symmetry breaking, anomalies, and non-perturbative behavior.
The Schweizer SGS 2-12 is a United States two-seat, low-wing, training glider built by Schweizer Aircraft of Elmira, New York. The 2-12 was a development of the Schweizer 2-8 two place training glider, with an all-wooden wing. It was designed especially for a US Army Air Force requirement to train glider pilots for air assault missions in World ...
57. The Schweizer SGS 2-8 is an American two-seat, mid-wing, strut-braced, training glider built by Schweizer Aircraft of Elmira, New York. [2] The 2-8 was originally known simply as "The Schweizer Two-Place" when it first flew in June 1938. When World War II started, the 2-8 became a military trainer for the US Army, Navy and Marines and all ...