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...

More than a thousand years before modern nations established cloak and dagger intelligence agencies, the art of political assassination was perfected in West Asia. The architect of this art was Hassan al Sabbah, a shadowy character shrouded in exotic mystery about whom as much information has come down to us as misinformation. The Seljuks tilted the internal balance of power within the Islamic...

There are brief moments in history when nature lifts its veil to the human intellect so that it may witness the majesty of divine creation and pass on the wisdom gained from this encounter to succeeding generations. One such intellect was that of Al Kindi. Abu Yusuf Yaqub Ibn Ishaq al-Kindi, one of the most celebrated of the philosophers and natural scientists of the classical age of Islam,...

Imam Ja’afar as Sadiq (700-765 CE) was a giant among Islamic sages. He was the Shaykh of great Shaykhs, the teacher of Imam Abu Haneefa, Imam Malik, Abu Yazid al Bastami and Wasim ibn Atta. His scholarship embraced the esoteric as well as the exoteric, ilm ul ishara as well as ilm ul ibara, the sciences of kalam as well as the sciences of hadith, sunnah, the natural...