As heat escapes upwards, a thermoelectric generator converts the temperature difference into electricity that powers a small LED light.

当热量向上逃逸时，热电发电机将温差转化为电能，这种电能可为小型LED灯供电。

He's the electric eel and somehow engineers harnessed his shocks to power the lights of a nearby Christmas tree.

他是那只电鳗，工程师们利用他的电击为附近的圣诞树供电。

Batteries can already power the lights and equipment on giant ships, and certainly, smaller vessels can be fully battery-powered today.

电池可以为巨轮上的照明和设备提供电力，当然了，现在的小型船只可以完全依靠电池提供电力。

The device was able to generate enough power to light up a few LEDs.

该设备能够产生足够的电力来点亮几个 LED。

In fact, as your town used solar powered street lights, there’s been limited light from the start of this catastrophe.

事实上，由于您所在的城镇使用的是太阳能路灯，因此从这场灾难开始以来， 光线一直很有限。

Each of its three coaches is topped with solar panels, generating five kilowatts a day to power the lights, fans and doors.

三节车厢的每一节车厢顶部都装有太阳能电池板， 每天可产生 5 千瓦的电量来为灯、风扇和车门供电。

There are already train stations that use passengers' footsteps to power the ticket gates and displays and a dance club where piezoelectricity helps power the lights.

已经有火车站使用乘客的脚步为检票口和显示屏供电，还有一个舞蹈俱乐部使用压电技术为灯供电。

The old kerosene lamp grows dusty as this light is now powered by a solar panel, and the same panel provides enough juice to charge their cellphones.

旧煤油灯变得尘土飞扬，因为这盏灯现在由太阳能电池板供电，而同一块电池板提供的电量足以为他们的手机充电。

Tom also knew that he would have to figure out how to provide the electrical power to light up whole neighborhoods, whole cities—in fact, the whole country.

汤姆还知道， 他必须弄清楚如何提供电力来照亮整个社区、整个城市——事实上，整个国家。