Every morning now she turns on a specially constructed light box for half an hour and sits in front of it to trick her brain into thinking it's still enjoying those long summer days.

现在她每天早上都会打开一个特制的灯箱半小时，坐在前面，让自己的大脑以为它还在享受漫长的夏日。

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For this treatment, you sit in front of a "light box" for half an hour or longer, usually in the morning.

这种治疗通常会在早上进行，你需要在一个“光照箱”前坐半小时或以上。

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The time can be read easily with a touch of the button. The first two columns show hours; in column 1 each light equals 5 hours, in column 2 each light equals 1 hour.

只要轻触按钮，就能轻松读取时间：前两列显示时；第一列每盏亮灯表示五个小时，第二列每盏亮灯表示一个小时。

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Considered the world's most advanced sun-powered plane, the Solar Impulse took off from Moffett Field in Mountain View at first light for a two-hour practice run in advance of a planned multi-city, cross-country tour.

WSJ: Sun-powered plane completes California test flight

Combined-cycle gas turbines, which use hot exhaust gases from one turbine to generate steam to turn a second one, can transform 6, 800 Btu of gas into a kilowatt-hour of electricity, enough to light one lightbulb for ten hours.

FORBES: Indigestion

Every day from the week of July 6, special reports will appear on CNN International, culminating in a half-hour special "Going Green: Green Light for Business" which airs from July 9 (see below for show times).

CNN: 'Going Green' with