This is a seemingly unbelievable thing, and it can be lit by pouring water into a lamp. But this is not magic. It is a LED light that uses water as an energy source. Designer Manon Leblanc made this magical LED light with blown frosted glass, biopl…
At the beginning of the new year, Sanan Optoelectronics Application Division came to the good news. The company's full range of products have successfully entered the business branches of China Telecom Group Corporation's regional branches …

According to the news on March 7, broadband access technology is one of the most active areas in communication technology. In the telecommunication network, the access network connects users and service nodes, and mainly solves the problems of transmission, multiplexin…