到2030年逐步淘汰旧灯泡将节省650家发电厂的输出功率，并避免每年向大气排放7亿吨碳。
Phasing old bulbs out by 2030 would save the output of 650 power plants and avoid the release of 700 million tons of carbon into the atmosphere each year.
海群机器人使用太阳能，只需要10 0瓦功率就能驱动，相当于点亮一个灯泡。
The Seaswarm robots operate on solar energy and require only 100 watts of power, or about that of a bright light bulb.
MIT的研究小组计算，一个集装箱大小的电池可以提供1兆瓦的电力 - 足以让10000 个功率100瓦灯泡亮上几个小时。
The MIT team calculates that a battery the size of a shipping container could deliver a megawatt of electricity - enough to power 10, 000 100-watt light bulbs - for several hours.
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