The Department of Physics at the College of Education for Pure Sciences at the University of Karbala held a three-day in-person training course on (Basics of Nanotechnology). Where this technology has been applied in the food and pharmaceutical industry, as well as in communications and solar cells. Prof. Dr. Ahmed Khairallah Shaheed, Dr. Rasool Ramadan Atab, and Dr. Abbas Fadil Hadi lectured at the course. The course was attended by many professors of the department. The aim of the course is to find out why the physical, chemical, electrical and thermal properties change, all because of the different bonding strengths between molecules.