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  2. UV coloration in flowers - Wikipedia

    en.wikipedia.org/wiki/UV_coloration_in_flowers

    Generally flowers that are white or green tend to be wind pollinated; where being a bright color isn't necessary. [2] A common phenotype of UV coloration is the “bulls-eye” pattern where a flower reflects UV light at the ends of the petals and absorbs UV light in the center. [4] This acts as a guide for pollinators to locate and find pollen ...

  3. Hybrid solar lighting - Wikipedia

    en.wikipedia.org/wiki/Hybrid_solar_lighting

    Hybrid solar lighting (HSL) or hybrid lighting systems combine the use of solar with artificial light for interior illumination by channelling sunlight through fiber optic cable bundles to provide solar light into rooms without windows or skylights, and by supplementing this natural light with artificial light—typically LED—as required. [1]

  4. Lighting - Wikipedia

    en.wikipedia.org/wiki/Lighting

    The introduction of LED lighting has greatly improved this by approx. 90% when compared to a halogen downlight or spotlight. LED lamps or bulbs are now available to retro fit in place of high energy consumption lamps. Uplighting is less common, often used to bounce indirect light off the ceiling and back down. It is commonly used in lighting ...

  5. Solar traffic light - Wikipedia

    en.wikipedia.org/wiki/Solar_traffic_light

    Solar-energy-powered school traffic light Solar Panel Battery Enclosure on Traffic Light. Most solar traffic lights use LED lamps as they are more reliable [1] and have more advantages over other lighting devices like CFL lamps as they are more energy efficient, have a longer life span and turn on and turn off quickly. [2]

  6. Photoperiodism - Wikipedia

    en.wikipedia.org/wiki/Photoperiodism

    The length of the light and dark in each phase varies across the seasons due to the tilt of the earth around its axis. The photoperiod defines the length of the light, for example a summer day the length of light could be 16 hours while the dark is 8 hours, whereas a winter day the length of day could be 8 hours, whereas the dark is 16 hours.

  7. Leucocoprinus birnbaumii - Wikipedia

    en.wikipedia.org/wiki/Leucocoprinus_birnbaumii

    Leucocoprinus birnbaumii, commonly known as the flower pot parasol, yellow parasol, [2] flowerpot parasol, or plantpot dapperling, is a species of gilled mushroom in the family Agaricaceae. It is common in the tropics and subtropics.

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