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  2. C. Kumar N. Patel - Wikipedia

    en.wikipedia.org/wiki/C._Kumar_N._Patel

    C. Kumar N. Patel. Chandra Kumar Naranbhai Patel (born 2 July 1938) is an electrical engineer. He developed the carbon dioxide laser in 1963; [ 1] it is now widely used in industry for cutting and engraving a wide range of materials like plastic and wood. Because the atmosphere is quite transparent to infrared light, CO 2 lasers are also used ...

  3. Carbon Hill, Ohio - Wikipedia

    en.wikipedia.org/wiki/Carbon_Hill,_Ohio

    740. FIPS code. 39-12056. GNIS feature ID. 2628873 [2] Carbon Hill is an unincorporated community and census-designated place (CDP) in central Ward Township, Hocking County, Ohio, United States. [2] It has a post office with the ZIP code 43111. As of the 2020 census the population of the CDP was 178. State Route 278, located on the western edge ...

  4. Cincinnati Public Schools - Wikipedia

    en.wikipedia.org/wiki/Cincinnati_Public_Schools

    Website. www.cps-k12.org. Cincinnati Public Schools (often abbreviated CPS) is the U.S. state of Ohio's second - largest public school district, by enrollment, after Columbus City Schools Cincinnati Public Schools is the largest Ohio school district rated as 'effective'. Founded in 1829 as the Common Schools of Cincinnati, it is governed by the ...

  5. International Temperature Scale of 1990 - Wikipedia

    en.wikipedia.org/wiki/International_Temperature...

    ITS-90 is the most recent of a series of International Temperature Scales adopted by the CIPM since 1927. [1] Adopted at the 1989 General Conference on Weights and Measures, it supersedes the International Practical Temperature Scale of 1968 (amended edition of 1975) and the 1976 "Provisional 0.5 K to 30 K Temperature Scale".

  6. Rock Hill Local School District - Wikipedia

    en.wikipedia.org/wiki/Rock_Hill_Local_School...

    Rock Hill Local School District. /  38.53083°N 82.67833°W  / 38.53083; -82.67833. The Rock Hill Local School District is a local school district in Ohio. The central location for its offices and school campuses is just outside Ironton, Ohio. It currently operates four schools: the Rock Hill Child Development Center (Pre-K), the Rock ...

  7. International Standard Atmosphere - Wikipedia

    en.wikipedia.org/wiki/International_Standard...

    To accommodate the lowest points on Earth, the model starts at a base geopotential altitude of 610 meters (2,000 ft) below sea level, with standard temperature set at 19 °C. With a temperature lapse rate of −6.5 °C (-11.7 °F) per km (roughly −2 °C (-3.6 °F) per 1,000 ft), the table interpolates to the standard mean sea level values of ...

  8. Bomb threats force second consecutive day of school closures ...

    www.aol.com/news/bomb-threats-force-second...

    September 13, 2024 at 8:58 PM. SPRINGFIELD, Ohio — Bomb threats on Friday forced the evacuation and closure of public schools and municipal buildings for a second consecutive day, as the city ...

  9. International school - Wikipedia

    en.wikipedia.org/wiki/International_school

    An international school is an institution that promotes education in an international environment or framework. Although there is no uniform definition or criteria, international schools are usually characterized by a multinational student body and staff, multilingual instruction, curricula oriented towards global perspectives and subjects, and the promotion of concepts such as world ...