For one, Kim Jong-nam felt trapped living behind the palace gates in Pyongyang. For another, his father had begun a relationship with a dancer named Ko Yong Hui, with whom he’d have three children ...

Inorganic LEDs are light-emitting diodes (LEDs) made from a crystalline semiconductor. The optical emission wavelength can be selected by varying material composition. Example active regions ...

Physics Department, Illinois Institute of Technology, Chicago, IL 60616, U.S.A. Institute for Theoretical Physics, State University of New York, Stony Brook, NY 11794 ...

International Viewpoint, the monthly English-language magazine of the Fourth International, is a window to radical alternatives world-wide, carrying reports, analysis and debates from all corners of ...

Center for Nonlinear Science Studies, School of Science, Kunming University of Science and Technology, and Institute of Applied Mathematics of Yunnan Province, Kunming, Yunnan 650093, P. R. China ...