Na pravou míru: Nezázrak islámské vědy: Difference between revisions

Another appropriation of a Chinese invention.<ref>Mary Bellis - [{{Reference archive|1=http://inventors.about.com/od/cstartinventions/a/Compass.htm|2=2013-01-10}} The Compass and other Magnetic Innovations] - About.com (Inventors), accessed January 10, 2013</ref> The first known compass surfaced in China in the 1^st century AD (at least 5 centuries before there were Muslims).<ref>[{{Reference archive|1=http://web.archive.org/web/20101204153911/http://www.ocean.washington.edu/people/grads/mpruis/magnetics/history/hist.html|2=2013-01-10}} History of Magnetics] - University of Washington (School of Oceanography), archived December 4, 2010</ref> Some say that the compass was introduced by the Chinese to the Arabs (not the other way around) during the Northern Sung Dynasty (960 - 1127 AD).<ref>[{{Reference archive|1=http://web.archive.org/web/20050311231150/http://www.wcsu.k12.vt.us/~newfane/4inventions/4_great_invention.htm|2=2013-01-10}} Four Great Inventions of Ancient China - the Compass] - Windham Central Supervisory Union, archived March 11, 2005</ref>

{{Quote||'''Co je učeno:''' The first man to classify the races was the German Johann F. Blumenbach, who divided mankind into white, yellow, brown, black and red peoples.<BR><BR>'''Co by se mělo učit:''' Muslim scholars of the 9th through 14th centuries invented the science of ethnography. A number of Muslim geographers classified the races, writing detailed explanations of their unique cultural habits and physical appearances. They wrote thousands of pages on this subject. Blumenbach's works were insignificant in comparison.<ref name="Dr K. Ajram"></ref>}}