Today 23 percent of New York State's electrical energy is generated from renewable sources.

现在纽约州百分之二十三的电力来自可再生能源。

Both of these results, turning mechanical energy into electrical, and electrical energy into mechanical, were remarkable.

这两个结果，将机械能转化为电能，将电能转化为机械能，都是非常了不起的。

Basically, the northern lights are the result of high energy electrical currents from the sun that are caught and guided by the Earth's magnetic field.

基本上，北极光是来自太阳的高能量电流被地球磁场捕获和引导的结果。