Analysis shows that the dissolved organic material absorbs enough blue wavelengths from solar light to make the ice appear green.

分析表明，溶解的有机物质吸收了足够的来自太阳光线的蓝色波长，使冰看起来是绿色的。

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Solar water heater converts solar light energy into thermal energy and heats water from low temperature to high temperature so as to meet needs for hot water from peoples' life and production.

太阳能热水器是将太阳光能转化为热能，将水从低温加热到高温度，以满足人们在生活和生产中的热水需求。

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As much the cascades of calcium carbonate as the water change color in accordance with changes of the solar light that illuminates them, and the effect is surprising.

无论是碳酸钙阶梯还是池中的水，它们的颜色都随照射的日光的颜色变化而变化，景象十分惊人。

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This is the story of how one man combined LEDs with solar energy technology to bring high-quality, low-cost electric light to poor people around the world.

VOA: standard.2009.12.13

The Solar Electric Light Fund is demonstrating that you can provide poor families with solar power for roughly the same cost as old standbys such as kerosene and candles.

ECONOMIST: Applying the world��s business brains to housing the poor

Environmental groups like the Solar Electric Light Fund, which brings green energy to impoverished areas of the globe, have been featured on Philanthroper.

FORBES: Written by Siel Ju

You can get involved, or build your own solar bottle light.

FORBES: 5 Low-Tech Innovations That Make A Difference