The panels also recover the energy produced by diffuse light more efficiently than traditional panels.

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Besides being tweakable to match the spectrum of a light-bulb, dye-based cells also work well in dim or diffuse light of the sort often found indoors.

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Eventually, says Mr Burt, the ability of dye-based cells to produce useful quantities of power even in dim and diffuse light could see them used outside, perhaps on rooftops in cloudier parts of the world a market at present dominated by traditional, silicon-based cells, even though they are not well-suited to the purpose.

ECONOMIST: A new type of cell may bring ��solar�� energy indoors

They then use another polarizer to reduce or diffuse any ambient light from entering that display pixel as well.

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Ando simplified the 53, 800-square-foot space by aligning doorways and hanging a giant white veil under the glass atrium to diffuse the natural light.

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The beetles performed best when confronted with a perfect starry sky projected on to the planetarium dome, but coped just as well when shown only the diffuse bar of light that is the plane of our Milky Way Galaxy.

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These days, power is by definition diffuse--whether it's information or capital moving at the speed of light, or even terrorist cells striking without a central command.

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