The fall of Jerusalem was the price paid by the Muslims for the continued civil wars brought on by competing Sunni and Shi’a visions of Islamic history. The Crusades, declared in 996, were an intercontinental invasion across a front line extending more than 3,000 miles from Spain to Palestine. At the time, the house of Islam was divided into three households. The Turks championed the...

(Adopted with permission from the book, Deeper Roots, Muslims in the Americas and the Caribbean from before Columbus to the Present, by Dr. Abdullah Hakim Quick, DPB Printers and Booksellers, Cape Town, South Africa. Those interested in further research are strongly urged to read Dr. Quik’s book.) Ancient America was not isolated from the old world as many historians and...

En la industria de los materiales plásticos, la película de PVC y la película de vinilo son términos que a menudo se usan indistintamente, lo que puede generar cierta confusión. Sin embargo, aunque están relacionados, existen diferencias clave entre ambos materiales en cuanto a composición, características y aplicaciones. A...