color-temperature meter
121PH indicator — A pH indicator is a halochromic chemical compound that is added in small amounts to a solution so that the pH (acidity or alkalinity) of the solution can be determined easily. Hence a pH indicator is a chemical detector for hydronium ions (H3O+)… …
122Mars Reconnaissance Orbiter — Conceptual image depicting the Mars Reconnaissance Orbiter in an elliptical low planet orbit around Mars Operator NASA / JPL Major contractors Lockheed Ma …
123Second Avenue Subway — Planned route of the NYC Subway Second Avenue Line ( T , in teal). Overview Type Rapid transit System …
124Large-screen television technology — developed rapidly in the late 1990s and 2000s. Various flat screen technologies are being developed, but only the liquid crystal display (LCD), plasma display (PDP) and Digital Light Processing (DLP) were released on the public market. These… …
125Bifrenaria — tyrianthina Scientific classification Kingdom: Plantae …
126Abkürzungen/Luftfahrt/B–D — Dies ist der zweite Teil der Liste Abkürzungen/Luftfahrt. Liste der Abkürzungen Teil 1 A A Teil 2 B–D B (BA, BB, BC, BD, BE, BF, BG, BH, BI, BJ, BK, BL …
127Atlanta metropolitan area — Metro Atlanta redirects here. For the transit agency, see Metropolitan Atlanta Rapid Transit Authority. Metro Atlanta Atlanta Sandy Springs Marietta, Georgia MSA   CSA   …
128Architecture of the night — De Volharding Building, The Hague, 1928 by Jan Buijs, photographed in 1930 …
