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  2. Retroreflector - Wikipedia

    en.wikipedia.org/wiki/Retroreflector

    A bicycle reflector appears brighter to the passenger car driver than to the truck driver at the same distance from the vehicle to the reflector. [1] The light beam and the normal axis of the reflector as shown in Figure 2 form the entrance angle. The entrance angle is a function of the orientation of the reflector to the light source.

  3. Safety reflector - Wikipedia

    en.wikipedia.org/wiki/Safety_reflector

    A rear reflector on a bicycle Reflecting device on horse. A safety reflector is a retroreflector intended for pedestrians, runners, motorized and non-motorized vehicles. A safety reflector is similar to reflective stripes that can be found on safety vests and clothing worn by road workers and rescue workers. They are sometimes erroneously ...

  4. List of retroreflectors on the Moon - Wikipedia

    en.wikipedia.org/wiki/List_of_retroreflectors_on...

    The locations of lunar retroreflectors left by Apollo (A) and Luna (L) missions. Retroreflectors are devices which reflect light back to its source. Six were left at six sites on the Moon by three crews of the Apollo program, two by remote landers of the Lunokhod program, and one by the Chandrayaan program. [1]

  5. Retroreflective sheeting - Wikipedia

    en.wikipedia.org/wiki/Retroreflective_sheeting

    Flash photo of car with reflective stickers Flash photo of moped with retroreflective sheeting tape Retroreflective sheeting is flexible retroreflective material primarily used to increase the nighttime conspicuity of traffic signs , high-visibility clothing , and other items so they are safely and effectively visible in the light of an ...

  6. List of ISIRI standards - Wikipedia

    en.wikipedia.org/wiki/List_of_ISIRI_standards

    ISIRI 6494 Retro-reflectors for motor vehicles and their trailers ISIRI 6505 Direction indicator lamps for motor vehicles and their trailers ISIRI 6603 Two-wheeled motorcycles – parking stability of side and center stands

  7. Tapetum lucidum - Wikipedia

    en.wikipedia.org/wiki/Tapetum_lucidum

    The dark blue, teal, and gold tapetum lucidum from the eye of a cow Retina of a mongrel dog with strong tapetal reflex. The tapetum lucidum (Latin for 'bright tapestry, coverlet'; / t ə ˈ p iː t əm ˈ l uː s ɪ d əm / tə-PEE-təm LOO-sih-dəm; pl.: tapeta lucida) [1] is a layer of tissue in the eye of many vertebrates and some other animals.

  8. Laser Ranging Retroreflector - Wikipedia

    en.wikipedia.org/wiki/Laser_Ranging_Retroreflector

    The corner reflectors were produced by PerkinElmer and Boxton-Beel Inc. Design and fabrication of the array package was completed by Arthur D. Little Inc. [6] Each reflector is 3.8 cm (1.5 in) in diameter sitting 1.9 cm (0.75 in) below the panel's top surface and mounted between Teflon rings for greater thermal protection. [5]

  9. TriDAR - Wikipedia

    en.wikipedia.org/wiki/TriDAR

    TriDAR during STS-128. TriDAR was tested in space for the first time on board Space Shuttle Discovery during the STS-128 mission to the ISS.The objective of the test was to demonstrate the capability of the TriDAR system to track an object in space without using targets markers such as retro-reflectors.