It also sports an "ultrafine" .0065-millimeter pitch along with a "high-contrast filter" that allows the projected image to be reflected by the screen while it absorbs incidental light from other sources.

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Aero gave the appearance of highly-rendered glass, light sources, reflections, and other graphically complex textures in the title bars, taskbar, and other system surfaces.

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Additionally, IKEA is changing more than one million light sources inside the IKEA stores to LED and other more efficient lighting.

ENGADGET: Ikea to sell only LED-based lighting by 2016, wants to be greener than your sofa bed

Light pollution can come from TV and computer screens, other electronic displays and ambient sources such as streetlights, passing traffic and neighboring buildings, in addition to overhead lighting within the home.

CNN: Unplug! Too much light at night may lead to depression