secondary-time standard
81spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …
82Atomic clock — Nuclear clock redirects here. For the clock as a measure for risk of catastrophic destruction, see Doomsday Clock. For a clock updated by radio signals (commonly but inaccurately called an atomic clock ), see Radio clock. For the album by Zion I …
83Education in Russia — is provided predominantly by the state and is regulated by the federal Ministry of Education. Regional authorities regulate education within their jurisdictons within the prevailing framework of federal laws. In 2004 state spending for education… …
84Supernova — This article is about the astronomical event. For other uses, see Supernova (disambiguation). Multiwavelength X ray, infrared, and optical compilation image of Kepler s supernova remnant, SN 1604. A supernova is a stellar explosion that is more… …
854-6-2 — Under the Whyte notation for the classification of steam locomotives, a 4 6 2 locomotive has four leading wheels (generally arranged in a leading truck), six coupled driving wheels and two trailing wheels (often but not always in a trailing… …
86Anglo Chinese School, Klang — Infobox Malaysia School name = Anglo Chinese School ms icon SK/SMK Methodist ACS, Klang motto = Primary Ilmu Punca Kuasa (Malay) Knowledge is the Source of Power Secondary Sapienta Potentia Est (Latin) Wisdom is Power established = 1893 type =… …
87Pendulum — This article is about pendulums. For other uses, see Pendulum (disambiguation). Simple gravity pendulum model assumes no friction or air resistance …
88Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …
89TDMoIP — In computer networking and telecommunications, TDM over IP (TDMoIP) is the emulation of time division multiplexing (TDM) over a packet switched network (PSN). By TDM we mean a T1, E1, T3, or E3 signal, while the PSN is based either on IP or MPLS… …
90List of commonly misused English words — This is a list of English words which are commonly misused. It is meant to include only words whose misuse is deprecated by most usage writers, editors, and other professional linguists of Standard English. It is possible that some of the… …
