40 years of science and technology innovation
A video telephone call with quantum cryptography technology support took place at 15:29 on Sept 29, 2017, between the Anhui provincial governor Li Guoying and Bai Chunli, president of the Chinese Academy of Sciences. The three-minute call marks the first Hefei "quantum voice" in the international arena. [Photo from WeChat account hefeigaoxinfabu]