In the late 1700s James Watt designed an efficient and commercially viable steam engine that was soon applied to a variety of industrial uses as it became cheaper to use.

18世纪晚期，詹姆斯·瓦特设计了一种高效的、商业上可行的蒸汽机，随着它的使用成本越来越低，它很快被应用于各种工业用途。

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The expedition was a disaster, and Watt Raleigh was killed in a battle with Spaniards.

这次探险最后变成一场灾难，瓦特·雷利在与西班牙人的交战中不幸阵亡。

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The last factory in the US making the inefficient 100 watt bulbs closed last year.

美国最后一家制造效率低下的100瓦灯泡的工厂也在去年关闭了。

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The single watt solar LED package works, Irvine-Halliday told Capitol Hill staffers at a recent meeting in Washington,because it is affordable, clean and easy to set up and maintain.

VOA: standard.2009.12.13

In fact, server farms require a half-watt in cooling for each watt of processing.

FORBES: Written by Stanton D. Sloane

This will begin in January 2012, starting with the 100-watt bulbs and ending with 40-watt bulbs in January 2014.

FORBES: Selling an Energy-Efficient Light Bulb Is Trickier Than You'd Think

Underwater robots tasked with saving coral reefs are being developed at Heriot-Watt University in Scotland.

BBC: Underwater robots to 'repair' Scotland's coral reefs