香港城市大学生物医学工程师王钻开说:“我们的研究表明从15厘米(5.9英寸)高的地方滴下的100微升的水发电量超过140V,能点亮100个小的LED灯。”
That sounds like a surprising amount of voltage, but the engineers used some ingenious tricks to make it happen.
这发电量听起来惊人,但工程师为此使用了一些巧妙的技巧。
Scientists have been looking into this type of power production for years, but the physics of converting the energy of raindrops into electricity are much harder to do than harvesting the energy from a rising tide or a flowing stream.
科学家近些年一直在研究这种发电方法,但把雨滴的能量转化为电能的物理学难度比利用涨潮或流水发电高得多。
There's plenty of work still to do to get this ready for practical use however, with the researchers hoping to have a prototype ready in the next five years.
但要真正投入使用,还有大量工作要做,研究人员希望在未来五年能做出一个样品。
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