free-vibration analysis
121Subud — (pronounced IPA2|subud) is an international spiritual association that began in Indonesia in the 1920s as a movement founded by a Javanese Muslim Muhammad Subuh Sumohadiwidjojo (1901 1987. The word Subuh in the name means dawn and has no relation …
122Metrology — This article is about the science of measurement. For the study of weather see Meteorology. A scientist stands in front of a microarcsecond (1 millionth of 1 arcsecond or 1 millionth of 1/3600 degree) testbed. Metrology is the science of… …
123Charles Wheatstone — Wheatstone, drawn by Samuel Laurence in 1868 Born 6 …
124Parts cleaning — is essential to many industrial processes, as a prelude to surface finishing or to protect sensitive components. Electroplating is particularly sensitive to part cleanliness, since molecular layers of oil can prevent adhesion of the coating. ASTM …
125European honey bee — Taxobox name = Western honey bee ( Apis mellifera ) image caption = Honey bee approaching a Milk Thistle flowerhead regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Hymenoptera subordo = Apocrita superfamilia = Apoidea familia =… …
126Hard disk drive — Hard drive redirects here. For other uses, see Hard drive (disambiguation). Hard disk drive Mechanical interior of a modern hard disk drive Date invented 24 December 1954 [1] …
127Liquid crystal display — LCD redirects here. For other uses, see LCD (disambiguation). Reflective twisted nematic liquid crystal display. Polarizing filter film with a vertical axis to polarize light as it enters. Glass substrate with ITO electrodes. The shapes of these… …
128Cymatics — Resonance made visible with black seeds on a harpsichord soundboard …
