It will eventually be connected to a solar panel, allowing it to power everything from lamps to laptops.

这些零件最终将被焊接到一个太阳能板上，为从电灯到电脑的一切电器供电。

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And the panels have to stay dust-free: just a seventh of an ounce of dust per square yard of panel can decrease solar power conversion by 40 percent.

偏偏太阳能板需要一个无尘的环境：每平方码只要有七分之一盎司的尘土就会降低太阳能板40%的转换效率。

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A solar panel provides power to the refrigerator and lighting at night, and it also runs video equipment for health education sessions.

冰箱上的太阳能板不仅可以为冰箱提供能源，晚上用于照明，还可以支持健康教育课程视频的播放器。

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In this demonstration, a solar panel feeds power to a battery, which then feeds it to a laptop.

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Those companies included Vivint in the home security space and SunPower, a solar panel maker and power plant developer.

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