Here is a question about this article: The writers of Grub Street, the Grub Street Hacks, were left feeling bitter about the relative success of the men of letters, and found an outlet for their literature which was typified by the libelle. Written mostly in the form of pamphlets, the libelles "slandered the court, the Church, the aristocracy, the academies, the salons, everything elevated and respectable, including the monarchy itself". Le Gazetier cuirasse by Charles Theveneau de Morande was a prototype of the genre. It was Grub Street literature that was most read by the public during the Enlightenment. More importantly, according to Darnton, the Grub Street hacks inherited the "revolutionary spirit" once displayed by the philosophes, and paved the way for the French Revolution by desacralizing figures of political, moral and religious authority in France.
What is the answer to this question: Which works by the Grub Street Hacks "slandered the court, the Church, the aristocracy, the academies, the salons, everything elevated and respectable, including the monarchy itself."?
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So... the libelles

Here is a question about this article: New chemical glass compositions or new treatment techniques can be initially investigated in small-scale laboratory experiments. The raw materials for laboratory-scale glass melts are often different from those used in mass production because the cost factor has a low priority. In the laboratory mostly pure chemicals are used. Care must be taken that the raw materials have not reacted with moisture or other chemicals in the environment (such as alkali or alkaline earth metal oxides and hydroxides, or boron oxide), or that the impurities are quantified (loss on ignition). Evaporation losses during glass melting should be considered during the selection of the raw materials, e.g., sodium selenite may be preferred over easily evaporating SeO2. Also, more readily reacting raw materials may be preferred over relatively inert ones, such as Al(OH)3 over Al2O3. Usually, the melts are carried out in platinum crucibles to reduce contamination from the crucible material. Glass homogeneity is achieved by homogenizing the raw materials mixture (glass batch), by stirring the melt, and by crushing and re-melting the first melt. The obtained glass is usually annealed to prevent breakage during processing.
What is the answer to this question: Why are different materials used in a lab than are used in factory production?
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So... the cost factor has a low priority

Here is a question about this article: The Cold War drew to a close in the late 1980s and the early 1990s. The United States under President Ronald Reagan increased diplomatic, military, and economic pressure on the Soviet Union, which was already suffering from severe economic stagnation. In the second half of the 1980s, newly appointed Soviet leader Mikhail Gorbachev introduced the perestroika and glasnost reforms. The Soviet Union collapsed in 1991, leaving the United States as the dominant military power, though Russia retained much of the massive Soviet nuclear arsenal.
What is the answer to this question: During what time was the cold war close to happening?
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So...
1980s and the early 1990s