wave+toward+one
61Romania — /roh may nee euh, mayn yeuh/, n. a republic in SE Europe, bordering on the Black Sea. 21,399,114; 91,699 sq. mi. (237,500 sq. km). Cap.: Bucharest. Romanian, România /rddaw mu nyah/. * * * Romania Introduction Romania Background: Soviet… …
62România — /rddaw mu nyah/; Eng. /roh may nee euh, mayn yeuh/, n. Romanian name of ROMANIA. * * * Romania Introduction Romania Background: Soviet occupation following World War II led to the formation of a Communist peoples republic in 1947 and the… …
63solids, mechanics of — ▪ physics Introduction science concerned with the stressing (stress), deformation (deformation and flow), and failure of solid materials and structures. What, then, is a solid? Any material, fluid or solid, can support normal forces.… …
64Bulgaria — /bul gair ee euh, bool /, n. a republic in SE Europe. 8,652,745; 42,800 sq. mi. (110,850 sq. km). Cap.: Sofia. * * * Bulgaria Introduction Bulgaria Background: The Bulgars, a Central Asian Turkic tribe, merged with the local Slavic inhabitants in …
65Time Reversal Signal Processing — is a technique for focusing waves. A Time Reversal Mirror (TRM) is a device that can focus waves using the time reversal method. TRMs are also known as time reversal mirror arrays, as they are usually arrays of transducers, but they do not have… …
66theatre — /thee euh teuhr, theeeu /, n. theater. * * * I Building or space in which performances are given before an audience. It contains an auditorium and stage. In ancient Greece, where Western theatre began (5th century BC), theatres were constructed… …
67JERUSALEM — The entry is arranged according to the following outline: history name protohistory the bronze age david and first temple period second temple period the roman period byzantine jerusalem arab period crusader period mamluk period …
68Introduction to quantum mechanics — This article is an accessible, non technical introduction to the subject. For the main encyclopedia article, see Quantum mechanics. Quantum mechanics …
69publishing, history of — Introduction an account of the selection, preparation, and marketing of printed matter from its origins in ancient times to the present. The activity has grown from small beginnings into a vast and complex industry responsible for the… …
70Responsibility for the Holocaust — Historians differ as to where the responsibility for the Holocaust lies. Intentionalist historians such as Lucy Dawidowicz argue that Hitler planned the extermination of the Jewish people from as early as 1918, and that he personally oversaw its… …
