Some German retailers said they have seen sales of 100-watt incandescent bulbs soar 600 percent since the end of July.

德国一些零售商表示，自七月底以来，100瓦白炽灯泡的销量猛增六倍。

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Solar panel prices have halved since 2007, say analysts, at about $1.8 per watt at the end of 2010 compared with $3.7 three years earlier.

相关分析师统计，自2007年以来，太阳能电池板的价格已经跌了一半。 由三年前的3.7$/w跌至现在的1.8$/w。

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For most music, Schindall explained, a high-end audio system with big speakers might do just fine with a 1-watt amplifier.

Schindall解释说，对大多数音乐来说，带有大功率扬声器的高端音频系统用1瓦的扩音器就可以了。

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And by covering the fibres with carbon nanotubes, at least 20 watt-hours per kilogram is expected by the end of next year.

ECONOMIST: Carbon-composite batteries

Staff and students at James Watt, Reid Kerr and Clydebank Colleges have until the end of October to make comments on the planned merger.

BBC: Three west of Scotland colleges consult on merger plans