Editor’s Note: The main character of this article is a 28-year-old, well-educated and gentle Cheng Xuyuan. He shared a personal experience of his own. One morning, as usual, I turned on the computer and began to write the code. Suddenly I felt as if there were some dark green [thread ends] in front of me, floating down slowly from above, turning my eyes slightly, and the thread ends would float back and forth. At first I thought I stayed up too late and didn’t care. But for several days, I found that the thread was always there, and only my left eye could see the thread, but my right eye didn’t. Now I’m a little panicked, feeling that things may Read More …