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The laser works by the same principle as the maser, but produces higher-frequency coherent radiation at visible wavelengths. The maser was the precursor to the laser, inspiring theoretical work by Townes and Arthur Leonard Schawlow that led to the invention of the laser in 1960 by Theodore Maiman. When the coherent optical oscillator was first ...
The word "citizen" was chosen for ideological reasons, as pan (sir) was historically a title of a nobleman. The equivalent of Russian comrade – towarzysz – was a title reserved only for communist party members, while in former Yugoslavia equivalent of comrade is masculine drug and feminine drugarica and was widely used for all persons.
All mean "descendant of Peter". This is similar to the use of "-son" or "-sen" in Germanic languages. In East Slavic languages (Belarusian, Russian, Rusyn, and Ukrainian) the same system of name suffixes can be used to express several meanings. One of the most common is the patronymic.
"More rarely, the term maser can also be taken to mean the more general "molecular amplification by stimulated emission of radiation". However, the original definition was clearly for microwave radiation. Under this definition, an optical laser is a specific type of the more general maser (see below for details).
The system of Russian forms of addressing is used in Russian languages to indicate relative social status and the degree of respect between speakers. Typical language for this includes using certain parts of a person's full name, name suffixes , and honorific plural , as well as various titles and ranks.
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The most common theory about the origins of Russians is the Germanic version. The name Rus ', like the Proto-Finnic name for Sweden (*roocci), [2] supposed to be descended from an Old Norse term for "the men who row" (rods-) as rowing was the main method of navigating the rivers of Eastern Europe, and that it could be linked to the Swedish coastal area of Roslagen or Roden, as it was known in ...
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