Video PlayerClose
Visitors try an electroencephalograph during the 2018 National Mass Innovation and Entrepreneurship Week in Beijing, capital of China, Oct. 9, 2018. The week-long event will run from October 9 to 15. (Xinhua/Luo Xiaoguang)
Visitors try an electroencephalograph during the 2018 National Mass Innovation and Entrepreneurship Week in Beijing, capital of China, Oct. 9, 2018. The week-long event will run from October 9 to 15. (Xinhua/Luo Xiaoguang)