最节能的灯：用沙子就可以发光-快科技-科技改变生活

最节能的灯：用沙子就可以发光

萧萧
2013年05月13日 13:44
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相比其它灯类LED灯具算是节能环保的典范，不过它还能做到更好，不用连接电线就发光发热。

来自美国纽约布鲁克林的设计师Danielle Trofe就设计了两款无需使用电源的LED灯，并将在本月Wanted Design 2013上展出。这两款灯都利用了沙漏的原理，使用沙子为灯提供电能。其中一款是火炬形状，另一款是跷跷板形状。

尽管这两款灯所发出的光亮并不是特别强，但是已经可以满足最基本的照明功能。

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