theoretical+explanation
31Rainbow — For other uses, see Rainbow (disambiguation). Double rainbow and supernumerary rainbows on the inside of the primary arc. The shadow of the photographer s head on the bottom marks the centre of the rainbow circle (antisolar point). A rainbow is… …
32Introduction to quantum mechanics — This article is an accessible, non technical introduction to the subject. For the main encyclopedia article, see Quantum mechanics. Quantum mechanics …
33William Thomson, 1st Baron Kelvin — Infobox Scientist box width = 300px name = Lord Kelvin image width = 300px caption = William Thomson, 1st Baron Kelvin (1824 1907) birth date = birth date|1824|6|26|df=y birth place = Belfast, Co. Antrim, Northern Ireland death date = death date… …
34Lars Onsager — Born November 27, 1903(1903 11 27 …
35Hendrik Lorentz — Infobox Scientist name = Hendrik Antoon Lorentz imagesize = 180px birth date = birth date|1853|7|18 birth place = Arnhem, Netherlands death date = death date and age|1928|2|4|1853|7|18 death place = Haarlem, Netherlands nationality = Netherlands… …
36Landau, Lev Davidovich — ▪ Russian physicist born Jan. 9 [Jan. 22, New Style], 1908, Baku, Russian Empire (now Azerbaijan) died April 1, 1968, Moscow, Russia, U.S.S.R. Soviet theoretical physicist, one of the founders of the quantum theory of condensed matter whose… …
37Contemporary reaction to Ignaz Semmelweis — Dr. Ignaz Semmelweis discovered in 1847 that hand washing with a solution of chlorinated lime reduced the incidence of fatal childbed fever tenfold in maternity institutions. However, the reaction of his contemporaries was not positive; his… …
38Kelvin, William Thomson, Baron — ▪ Scottish engineer, mathematician, and physicist Introduction in full William Thomson, Baron Kelvin of Largs , also called (1866–92) Sir William Thomson born June 26, 1824, Belfast, County Antrim, Ire. [now in Northern Ireland] died Dec. 17 …
39Otto Hahn — Hahn in 1944 Born 8 March 1879 …
40Phillips curve — The Phillips curve is a historical inverse relation between the rate of unemployment and the rate of inflation in an economy. Stated simply, the lower the unemployment in an economy, the higher the rate of increase in wages paid to labor in that… …
