http://ift.tt/1lWlQ4L
日前,Indiegogo上出现了一款非常新颖的产品–Pelty蓝牙扬声器。Pelty这个名字取自于珀尔帖效应(Peltier effect)。在扬声器的内部,设计者安装了一个热电发电机,也就是说它能将蜡烛产生的热量转化成电能。





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