نتایج جستجو برای: 18th and 19th centuries
تعداد نتایج: 16831008 فیلتر نتایج به سال:
the quest for power has formed much of the world history especially in 20th and 21st centuries. oil (energy) particularly after industrial revolution has been a tool for conquest and power and has been transformed to a geopolitical issue. from a geopolitical point of view this has been the case for the last two centuries in central asia and caucasus. central asia and caucasus has always been...
Early meteorological records from Latin-America and the Caribbean during the 18th and 19th centuries
This paper provides early instrumental data recovered for 20 countries of Latin-America and the Caribbean (Argentina, Bahamas, Belize, Brazil, British Guiana, Chile, Colombia, Costa Rica, Cuba, Ecuador, France (Martinique and Guadalupe), Guatemala, Jamaica, Mexico, Nicaragua, Panama, Peru, Puerto Rico, El Salvador and Suriname) during the 18th and 19th centuries. The main meteorological variabl...
Russia and Germany have centuries-old cultural, economic, and dynastic ties. Until the end of the 17th century, the German diaspora in Muscovy was small and concentrated in the German Quarter in Moscow. The reign of Catherine the Great (1762 – 1796) featured an active campaign carried out in Russia to engage foreign colonists in the economic development of vacant lands on the outskirts of the s...
Ruan Yuan, a Chinese contemporary of Tasan, was the last of the high officials who advocated Han studies in the Qianlong and Jiaqing periods. As a patron of scholarship at his time, he went beyond his own intellectual propensities and did not set aside all partisans of Song studies. He thus contributed to the harmonisation of Song and Han studies. He also paid particular attention to the Xiaoji...
The notion of ‘experimental [any science]’ is based, I think, on two philosophical premises: 1. Our (unaided) senses cannot give us a complete understanding of the world. Our senses are limited and even the impressions we do get from our senses can give us misleading information. Further, the processing that our brain gives to sense data can be defective. And the reasoning powers of the brain –...
It was in 1791 that Wolfgang von Kempelen published the Mechanismus der menschlichen Sprache nebst der Beschreibung seiner sprechenden Maschine in Vienna, the last part of which is dedicated to the description of the speaking machine he had worked on for many years. In some parts of his book Kempelen refers to ideas he hadn’t been able to put into practice at that time and asks the readers to f...
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