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  2. Gallium phosphide - Wikipedia

    en.wikipedia.org/wiki/Gallium_phosphide

    Gallium phosphide ( GaP ), a phosphide of gallium, is a compound semiconductor material with an indirect band gap of 2.24 eV at room temperature. Impure polycrystalline material has the appearance of pale orange or grayish pieces. Undoped single crystals are orange, but strongly doped wafers appear darker due to free-carrier absorption.

  3. Income inequality in the United States - Wikipedia

    en.wikipedia.org/wiki/Income_inequality_in_the...

    Income inequality has fluctuated considerably in the United States since measurements began around 1915, moving in an arc between peaks in the 1920s and 2000s, with a 30-year period of relatively lower inequality between 1950 and 1980. The U.S. has the highest level of income inequality among its (post-)industrialized peers. [ 1]

  4. Textbook - Wikipedia

    en.wikipedia.org/wiki/Textbook

    Textbook. Textbooks written in Pashto distributed to Afghan school children. A textbook is a book containing a comprehensive compilation of content in a branch of study with the intention of explaining it. Textbooks are produced to meet the needs of educators, usually at educational institutions.

  5. History of the Federal Reserve System - Wikipedia

    en.wikipedia.org/wiki/History_of_the_Federal...

    Federal Reserve Board, 1917. The Federal Reserve System is the third central banking system in United States history. The First Bank of the United States (1791–1811) and the Second Bank of the United States (1817–1836) each had a 20-year charter. Both banks issued currency, made commercial loans, accepted deposits, purchased securities ...

  6. Federal Reserve - Wikipedia

    en.wikipedia.org/wiki/Federal_Reserve

    The Federal Reserve System (often shortened to the Federal Reserve, or simply the Fed) is the central banking system of the United States.It was created on December 23, 1913, with the enactment of the Federal Reserve Act, after a series of financial panics (particularly the panic of 1907) led to the desire for central control of the monetary system in order to alleviate financial crises.

  7. NCERT textbook controversies - Wikipedia

    en.wikipedia.org/wiki/NCERT_textbook_controversies

    NCERT textbook controversies. The National Council of Educational Research and Training ( NCERT) is an apex resource organisation set up by the Government of India to assist and advise the central and state governments on academic matters related to school education. The model textbooks published by the council for adoption by school systems ...

  8. Paul Krugman - Wikipedia

    en.wikipedia.org/wiki/Paul_Krugman

    Paul Robin Krugman ( / ˈkrʊɡmən / ⓘ KRUUG-mən; [ 4 ][ 5 ] born February 28, 1953) [ 6 ] is an American economist who is the Distinguished Professor of Economics at the Graduate Center of the City University of New York and a columnist for The New York Times. [ 7 ] In 2008, Krugman was the sole winner of the Nobel Memorial Prize in ...

  9. Federal Reserve Note - Wikipedia

    en.wikipedia.org/wiki/Federal_Reserve_Note

    Federal Reserve Notes are the currently issued banknotes of the United States dollar. [ 1] The United States Bureau of Engraving and Printing produces the notes under the authority of the Federal Reserve Act of 1913 [ 2] and issues them to the Federal Reserve Banks at the discretion of the Board of Governors of the Federal Reserve System. [ 2]