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  2. Transparency and translucency - Wikipedia

    en.wikipedia.org/wiki/Transparency_and_translucency

    In other words, a translucent material is made up of components with different indices of refraction. A transparent material is made up of components with a uniform index of refraction. [1] Transparent materials appear clear, with the overall appearance of one color, or any combination leading up to a brilliant spectrum of every color.

  3. List of bioluminescent organisms - Wikipedia

    en.wikipedia.org/wiki/List_of_bioluminescent...

    A deep-sea species of carnivorous sponge (Cladorhizidae) [6]Many Cnidarians. Sea pens. Renilla reniformis; Coral; Certain Jellyfish. Aequorea victoria; Atolla jellyfish; Helmet jellyfish

  4. Opalescence - Wikipedia

    en.wikipedia.org/wiki/Opalescence

    This effect appears as a milky, translucent glow that changes with the angle of light, often creating a soft, pearly sheen that can display various colors or hues. Opalescence can be seen in materials like certain minerals, glass, and even fluids.

  5. Iridescence - Wikipedia

    en.wikipedia.org/wiki/Iridescence

    Examples of iridescence include soap bubbles, feathers, butterfly wings and seashell nacre, and minerals such as opal. Pearlescence is a related effect where some or most of the reflected light is white. The term pearlescent is used to describe certain paint finishes, usually in the automotive industry, which actually produce iridescent effects.

  6. Underwater camouflage - Wikipedia

    en.wikipedia.org/wiki/Underwater_camouflage

    Three main camouflage methods predominate in the oceans: transparency, [5] reflection, and counterillumination. [6] [1] Transparency and reflectivity are most important in the top 100 metres of the ocean; counterillumination is the main method from 100 metres down to 1000 metres; while camouflage becomes less important in the dark waters below 1000 metres. [6]

  7. Triboluminescence - Wikipedia

    en.wikipedia.org/wiki/Triboluminescence

    These are examples of ... quartz crystals impacting together produced flashes of light visible through the translucent buffalo hide. ... Nature. 455 (7216): 1089 ...

  8. UV coloration in flowers - Wikipedia

    en.wikipedia.org/wiki/UV_coloration_in_flowers

    Some examples of animal pollinators are bees, butterflies, beetles, flies, birds, bats, and a few small mammals. [2] This wide range of species seek out the nectar produced by the plants as food source or in the famous case of honey bees the key ingredient for making honey. This is an example of mutualism where the pollinators receive a ...

  9. Star jelly - Wikipedia

    en.wikipedia.org/wiki/Star_jelly

    The next morning, white translucent slime was reportedly discovered on the lawns and sidewalks of the town. [24] In 1997, a similar substance fell in the Everett, Washington, area. [citation needed] Star jelly was found on various Scottish hills in the autumn of 2009. [5] Blue balls of jelly rained down on a man's garden in Dorset in January 2012.