（图片来自网络） 近日，美国北卡罗来纳州立大学研究人员发明了一种“充电贴”，能方便地把身体散发的热量转化为电能。它只有2毫米厚，可以随意折叠，底层是热传导材料，紧紧贴合皮肤，上面覆盖着一层聚合体...
(image) from the network recently, north Carolina state university researchers have developed a "charge", can easily put body gives off heat into electricity. It is only 2 mm thick, can be folded, the bottom is heat conduction material, joint skin tightly, covered with a layer of polymer...
