When Things Get Complex
Algebra
Wrestling with Radicals Introducing the Radical Sign Simplifying Radical Expressions Unleashing Radical Powers Radical Operations Solving Radical Equations…
(Encyclopedia) mirror, in optics, a reflecting surface that forms an image of an object when light rays coming from that object fall upon it (see reflection). Usually mirrors are made of plate glass…
Why This Is Important: Ideal GasesChemistryThe Kinetic Molecular Theory of GasesWhat Are Gases?The Kinetic Molecular Theory of Gases: Why Gases Do What They DoWhy This Is Important: Ideal…
(Encyclopedia) La HireLa Hirelä ēr [key], c.1390–c.1443, French commander in the Hundred Years War, whose real name was Étienne de Vignoles or Vignolles. He entered (1418) the service of the dauphin…
(Encyclopedia) Kulmbach, Hans vonKulmbach, Hans vonhäns fən k&oobreve;lmˈbäkh [key], c.1480–1522, German painter and graphic artist. His real name was Hans Süss. In general his work reveals the…
(Encyclopedia) Home Owners' Loan Corporation (HOLC), former U.S. government agency established in 1933 to help stabilize real estate that had depreciated during the depression and to refinance the…
(Encyclopedia) Rojas Zorrilla, Francisco deRojas Zorrilla, Francisco defränthēˈskō dā rōˈhäs thôrēˈlyä [key], 1607–48, Spanish dramatist. He created a new type of comedia de gracioso, enlarging the…
(Encyclopedia) Tobin, James, 1918–2002, American economist, b. Champaign, Ill., Ph.D. Harvard, 1947. A professor at Yale Univ. from 1950 until his death, he was also an influential member (1961–62)…
(Encyclopedia) Boyd, Ernest, 1887–1946, American critic and author, b. Dubin, Ireland. In the British consular service, he resigned in 1920 and settled in New York City, where he became an important…
