The local enlarged image shows the specific structure of the color liquid crystal grating. Credit: Di Wang, Yi-Long Li, Fan Chu, Nan-Nan Li, Zhao-Song Li, Sin-Doo Lee, Zhong-Quan Nie, Chao Liu and Qiong-Hua Wang Holographic display technolo...

A team of Chinese researchers used a novel theory to invent a new type of ultrathin optical crystal with high energy efficiency, laying the foundation for next-generation laser technology. Prof. Wang Enge from the School of Physics, Peking...

At present, the domestic epidemic has entered a relatively stable state and its impact is gradually decreasing, but the global situation is still severe. Looking back at the epidemic that has lasted for several months, it has not only broug...

In 2019, the Chinese market economy was depressed, and the traditional home appliance market was plunged into a downward crisis. Intelligent projection as a new video entertainment equipment, maintain the growth trend. According to the tota...

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