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  2. Solarized architectural glass - Wikipedia

    en.wikipedia.org/wiki/Solarized_architectural_glass

    The shade of the purple color is dependent on the level of sunlight exposure. [2] This means that panes of solarized glass will turn a darker purple if they receive heavy exposure to light, such as on the south facing façade of a building. Likewise, a recessed window will receive less light and therefore turn a lighter shade of purple.

  3. Sunshade - Wikipedia

    en.wikipedia.org/wiki/Sunshade

    Shade (shadow), the blocking of sunlight by any object; Space sunshade, a device for blocking a star's rays in space; Umbrella, a device for blocking sunlight or rain; Windshield sun shades, used to block sunlight in a car

  4. James Webb Space Telescope sunshield - Wikipedia

    en.wikipedia.org/wiki/James_Webb_Space_Telescope...

    Illustration of the deployed "hot" side of the James Webb Space Telescope with the sunshield protecting the main optics from sunlight. The James Webb Space Telescope (JWST) sunshield is a passive thermal control system deployed post-launch to shield the telescope and instrumentation from the light and heat of the Sun, Earth, and Moon.

  5. Photochromism - Wikipedia

    en.wikipedia.org/wiki/Photochromism

    A photochromic eyeglass lens, after exposure to sunlight while part of the lens remained covered by paper. Photochromism is the reversible change of color upon exposure to light. It is a transformation of a chemical species ( photoswitch ) between two forms by the absorption of electromagnetic radiation ( photoisomerization ), where the two ...

  6. If You See a Purple Porch Light, This Is What It Means - AOL

    www.aol.com/lifestyle/see-purple-porch-light...

    The post If You See a Purple Porch Light, This Is What It Means appeared first on Reader's Digest. People use colored lights to bring awareness to a variety of different issues. Here's the meaning ...

  7. Why not all 'high-protein' food products are good for you - AOL

    www.aol.com/why-not-high-protein-food-070000397.html

    Additionally, researchers were unable to look at information about trans fat in products. The study authors acknowledge a risk of overestimation or underestimation of the fortification rate.

  8. Viewer's guide to the new College Football Playoff

    www.aol.com/sports/viewers-guide-college...

    First-round players to watch, keys to the game. For the first time ever, there will be College Football Playoff games on campuses. Notre Dame-Indiana will get things started on Friday night before ...

  9. Solar viewer - Wikipedia

    en.wikipedia.org/wiki/Solar_viewer

    Solar viewers should be used for safe viewing of the Sun during partial solar eclipses and during the partial phases of a total solar eclipse event, when the Moon only covers a portion of the Sun's surface. Only during the brief period of totality of a total solar eclipse is it safe to view the Sun directly with the naked eye.