And it does not require much energy to work: in its current form the exoskeleton has just two small clutches which only draw a quarter of a watt of power each.

其在能量上的需求也不大，目前的设计只有两个离合器需要各四分之一瓦的电力。

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Trulite won this contract to develop a system for the Navy that allows for substantial power capacity in a small package, with hydrogen storage capabilities greater than 2000 watt-hours per kilogram.

Trulite公司赢得该项合同以便为海军开发一个系统，该系统允许在一个小包装中有充实的动力容量，同时氢储存能力大于每千克200 0瓦特时。

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In one second, a cell performs about 10 million energy-consuming chemical reactions, which altogether require about one picowatt (one millionth millionth of a watt) of power.

一秒钟内，一个细胞要执行约一千万次耗能化学反应，而统共仅需要约1皮瓦(百万百万分之一瓦)能量。

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Although we haven't tested these new chips ourselves, PC Perspective is reporting that an Impress study showed these new FX-series processors to be monstrously less efficient in cycles per watt of power consumption than Intel's.

ENGADGET: AMD's Quad FX platform: some details and doubts

As for hooking up to sound systems, the rig packs front and rear RCA pre-outs, separate subwoofer outputs and a baked-in 25-watt x 4 channel RMS power amplifier, to boot.

ENGADGET

The world is using less oil today to generate electric power than it did in 1973, despite output almost trebling to 17.5 billion watt hours of electricity, from 6.1 billion WH.

FORBES: Magazine Article