This September 1990 issue addresses global disparities in science and technology, featuring Abdus Salam’s call for developing nations to invest in research, education, and high technology to bridge the gap with industrialized countries. It reviews the international conference “Teaching Physics through Experiment” held in Tianjin, highlighting laboratory innovations and collaborative exchanges. Other articles discuss school physics competitions in China, UNESCO’s initiative for university foundation courses in physics, and the role of ASPEN in promoting regional cooperation. The newsletter also covers teacher training challenges, commemorates Eric Rogers, and introduces the International Association of Physics Students. Upcoming conferences and Olympiad details are included.