Physicist Jim Al-Khalili tells the story of the great leap in scientific knowledge that took place in the Islamic world between the 8th and 14th centuries.
Al-Khalili turns detective, hunting for clues that show how the scientific revolution that took place in the 16th and 17th centuries in Europe had its roots in the earlier world of medieval Islam.
Ismailimail 
The sundial is very expressive.It defies the modern time.
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There are at least 15-20 quotes and excerpts from this post that speak to the fact that the great leaps and advances of scientific knowledge in the medieval Islamic world are not better known in the West:
http://gonashgo.blogspot.com/2008/09/400blogpost-four-hundred-knowledge.html
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