Smart homes, smart cars, smart phones, smart home appliances, now we have begun to face more and more smart products. But did you hear about smart curtains? I believe everyone will feel very curious after hearing this term. When we are lying in a rocking chair or bed, smart curtains can automatically adjust their light transmittance, adjust the amount of sunlight coming in according to our needs without the need for us to manually open or close.
Although this idea may seem strange, recent researchers from the University of California, Berkeley, have envisioned a new type of material that can be used to program carbon nanotubes into curtains that are automatically activated when sunlight is too strong.
The outer layer of the smart curtain is a thin layer of light-active plastic polycarbonate, and then a layer of carbon nanotubes underneath. The presence of light can cause these carbon nanotubes to absorb light energy, which is then automatically converted into heat and transferred to the interior of the material. In turn, the carbon nanotube material can also be expanded to allow it to bend in the nanotube layer to close small holes.
This smart curtain is smart enough to provide the appropriate light when the user needs it. Even more amazing is that the entire process does not need to provide any power, can rely entirely on smart curtains "self-sufficient" without the need to consume any other energy.
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