PolyPlus's battery may be just that: dip the encapsulated lithium pack into a glass of ordinary water and it produces current that lights up an LED display at the company's conference showcase booth.

而 PolyPlus 电池也许就是这样一种新技术：把密封包装好的锂浸入一罐普通的水中就能产生电流，可将公司展会展位上的LED灯点亮。

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Should extend the use of the emergency lights battery installed on the stairs, so that in the case of a loss of power to the people.

应该把使用电池的应急灯安装在楼梯间等地方，以便在断电的情况下为人们提供照明。

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Scientists successfully operated an LCD touch screen, a bank of 20 LED lights and a flexible keyboard, all with a simple touching or pressing motion and without the aid of a battery.

通过简单的触摸或按压，无需电池辅助，科学家们成功地在液晶触摸屏、一排20盏LED灯以及软键盘上完成操作。

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In fact, a battery of studies by Diana Tamir and Jason Mitchell of the Department of Psychology at Harvard University found that talking about ourselves lights up the same brain pleasure centers as food, money and sex.

FORBES: Talking About Yourself: The PR Impact

Still, we really liked a lot of the ideas and chose to focus on projects that could be done quickly, such as placing battery-operated lights in jars or vases in the windows instead of faux candles and filling clear-glass ornaments with confetti to hang on white tabletop trees as part of the dining-room-table centerpiece.

WSJ: Interior Designers Deck the Halls From Afar