Than coal, much less electricity, but the core of the nuclear reaction.
不是烧煤，更不通电，而是内核的核反应。
First, they are "thin," meaning that they contain low-powered hardware and thus use much less electricity than expensive laptops.
首先，它们非常“瘦”，这意味着它们包含低耗电的硬件，因此要比价格高昂的笔记本更加省电。
In particular, thin cells fail to capture much light at the red end of the spectrum. That means they produce up to 20% less electricity than standard cells of equivalent area.
特别是，薄的电池不能捕获光谱红端的很多光线，这意味着它比相同面积的标准电池少产生20%的电。
On a smart grid, intermittence is less of a problem because smart meters and other technologies can be used to manage electricity demand and to store power when too much is being generated.
在智能网里，新能源的供应时断时续并不是大问题，因为智能表和其他技术可以调节用电需求，如果发电过多可以储存起来。
Wolff estimates that less than 1% of the world's deserts would provide enough space to produce as much electricity and the world currently consumes.
沃尔夫预计，只要世界上不到1%的沙漠地带得以利用，就可以生产出足够当今世界消耗的能量。
Mr Sparrow and Mr Zoshi, by contrast, reckon they can produce that much fresh water with less than 1 kWh of electricity, and no other paid-for source of power is needed.
相较于前两种方法，Sparrow和Zoshi估算他们可以用不到1千瓦时的电力，同时也不需要其他任何付费能源就能产出更多的饮用水。
With an 18-watt fluorescent bulb you get as much light but use 75% less electricity.
用18瓦的荧光灯灯泡有同样的亮度，而用电量却减少75％。
It USES electricity and magnetism, but has never seen, much less fully understood either one.
电能和磁能都在被使用着，然而二者都没有被见过，也很难完全理解。
With an 18 - watt fluorescent bulb you get as much light but use 75% less electricity.
用18瓦的荧光灯灯泡有同样的亮度，而用电量却减少75%。
With an 18 - watt fluorescent bulb you get as much light but use 75% less electricity.
用18瓦的荧光灯灯泡有同样的亮度，而用电量却减少75%。
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