phys.org
Novel tunable ultrasonic liquid crystal light diffuser paves the way for next-gen indoor lighting
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 light-emitting diodes (LEDs). The distribution and intensity of artificial lights indoors are important factors that affect our ability to study and work effectively and influence our physical and mental health.
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