It is no mystery that light is essential to human life. Since the discovery of fire, humans have developed various artificial light sources, such as incandescent lamps, gaslights, discharge lamps, and ...
Xiaomi has officially launched the Mijia Smart Fragrance Diffuser Plant Extract Series in China. The new smart home product ...
Researchers developed a novel tunable ultrasonic liquid crystal light diffuser that allows changing the diffusion direction It is no mystery that light is essential to human life. Since the discovery ...
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