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Researchers have developed a highly precise method for tightly assembling multiple micrometer level optical devices onto a single chip. This new method can one day enable the mass production of chip based optical systems, making it possible for more...
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At present, in China's large-scale surveillance camera project areas, natural conditions such as rain, steam, haze and other natural conditions easily lead to ambiguity in monitoring, and even in severe cases, there is only a white mist. The fog...