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2 giorni fa · The Chronomégaphone, designed for large halls, employed compressed air to amplify the recorded sound. [1] A sound film is a motion picture with synchronized sound, or sound technologically coupled to image, as opposed to a silent film. The first known public exhibition of projected sound films took place in Paris in 1900, but decades passed ...
3 giorni fa · Working ( laboring) time is the period of time that a person spends at paid labor. Unpaid labor such as personal housework or caring for children or pets is not considered part of the working week. Many countries regulate the work week by law, such as stipulating minimum daily rest periods, annual holidays, and a maximum number of working hours ...
2 giorni fa · Latin words incorporated into Greek were very common by the early imperial era, especially for military, administration, and trade and commerce matters. Greek grammar, literature, poetry and philosophy shaped Latin language and culture. A 5th-century papyrus showing a parallel Latin-Greek text of a speech by Cicero
1 giorno fa · Rock. Rock is a broad genre of popular music that originated as "rock and roll" in the United States in the late 1940s and early 1950s, developing into a range of different styles from the mid-1960s, particularly in the United States and the United Kingdom. [3] It has its roots in 1940s and 1950s rock and roll, a style that drew directly from ...
2 giorni fa · Persecution of Christians. Greek Christians in 1922, fleeing from their homes in Kharput and moving to Trebizond. In the 1910s and 1920s, the Armenian, Greek, and Assyrian genocides were perpetrated by the Ottoman Empire and its successor state, the Republic of Turkey. [1] [2] [3]
3 giorni fa · Mining. Mining of sulfur from a deposit at the edge of Ijen 's crater lake, Indonesia. Mining is the extraction of valuable geological materials and minerals from the surface of the Earth. Mining is required to obtain most materials that cannot be grown through agricultural processes, or feasibly created artificially in a laboratory or factory.
1 giorno fa · The common stereotype on the issues of love and sex had it that the hippies were "promiscuous, having wild sex orgies, seducing innocent teenagers and every manner of sexual perversion." [121] The hippie movement appeared concurrently in the midst of a rising sexual revolution , in which many views of the status quo on this subject were being challenged.
