The chip could also use thermoelectric materials, which produce an electric current when exposed to two different temperatures-such as body heat and the (usually) cooler air around us.

芯片也可以使用温差热电材料- - -这种材料因环境中两种不同温度而产生电流- - -例如身体温度和(通常是)我们周围的更凉的空气。

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Purdue University researchers are working with General Motors to build thermoelectric generators, which produce an electric current when there is a temperature difference.

珀杜大学的研究者们正在与通用汽车一道开发一种利用温差产生电流的热能发电机。

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But current commercial thermoelectric devices only achieve about one-tenth of that limit, Hagelstein says.

哈格尔施泰因说，目前商业上热转变电的设备只能达到这个极限的大约十分之一。

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