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  • Thumbnail for Retroreflector
    Retroreflective traffic sign faces are manufactured with glass beads or prismatic reflectors embedded in a base sheeting layer so that the face reflects light...
    40 KB (4,525 words) - 23:12, 27 May 2024
  • Thumbnail for Hockey puck
    coloured retro reflective materials of either embedded lens elements or prismatic reflectors laminated into recesses on the flat surfaces and the vertical edge...
    23 KB (3,006 words) - 01:13, 26 May 2024
  • Thumbnail for Portland Bill Lighthouse
    made up of four asymmetrical catadioptric lens panels and a concave prismatic reflector. The lighthouse was completed in 1905 at a cost of £13,000, and the...
    14 KB (1,194 words) - 20:54, 21 December 2023
  • Thumbnail for Headlamp
    Directional lighting, using a switch and electromagnetically shifted reflector to illuminate the curbside only, was introduced in the rare, one-year-only...
    145 KB (16,583 words) - 15:36, 26 May 2024
  • Thumbnail for Prism (optics)
    Prism (optics) (redirect from Prismatic)
    of reflections, image projects as flipped (mirrored) triangular prism reflector, projects image sideways (chromatic dispersion is zero in case of perpendicular...
    14 KB (1,727 words) - 07:07, 6 June 2024
  • Thumbnail for Gyro gunsight
    A gyro gunsight (G.G.S.) is a modification of the non-magnifying reflector sight in which target lead (the amount of aim-off in front of a moving target)...
    13 KB (1,778 words) - 12:36, 30 May 2024
  • Thumbnail for Fresnel lens
    reflection) form of the lens, entirely invented by Fresnel, has outer prismatic elements that use total internal reflection as well as refraction to capture...
    56 KB (6,470 words) - 15:34, 4 June 2024
  • Thumbnail for High-temperature gas-cooled reactor
    existing HTGR reactors use helium coolant. The reactor core can be either a "prismatic block" (reminiscent of a conventional reactor core) or a "pebble-bed"...
    15 KB (1,539 words) - 18:11, 25 February 2024
  • Thumbnail for History of the telescope
    compound eyepieces. Isaac Newton is credited with building the first reflector in 1668 with a design that incorporated a small flat diagonal mirror to...
    72 KB (9,195 words) - 19:20, 27 May 2024
  • Thumbnail for Sulfur lamp
    from melting. The bulb is usually placed at the focus of a parabolic reflector to direct all the light in one direction. It would be impossible to excite...
    22 KB (2,578 words) - 22:45, 20 December 2023
  • Thumbnail for Telescopic sight
    to reliable visual aiming, as opposed to non-magnifying iron sights, reflector (reflex) sights, holographic sights or laser sights, and are most commonly...
    86 KB (10,864 words) - 19:17, 5 March 2024
  • bypass gaps in the interstitial regions of typical prismatic standard fuel element or upper reflector block geometries of typical Very High Temperature...
    8 KB (985 words) - 08:51, 23 January 2024
  • Thumbnail for Raleigh Chopper
    Ultra Violet, Fizzy Lemon, Quick Silver, Space Blue, and Jet Black (Prismatic decal model). MK2 - Pink 5 Speed (Derailleur) MK2 - SE with cast alloy...
    33 KB (4,755 words) - 19:19, 7 June 2024
  • Thumbnail for Musical fountain
    A musical fountain, also known as a fairy fountain, prismatic fountain or dancing fountain, is a type of choreographed fountain that creates aesthetic...
    28 KB (3,921 words) - 11:30, 3 March 2024
  • Compound, Noah and Arushka contemplate the Cube under a full moon. The prismatic affect the Cube has in combination with the moonlight reveals some astonishing...
    68 KB (34 words) - 03:28, 4 August 2023
  • Thumbnail for History of traffic lights
    particular, the units were equipped with a reflector and a different coloured lens of types such as Fresnel, prismatic or others. This drawbacks of these were...
    21 KB (2,440 words) - 14:38, 12 April 2024
  • Thumbnail for Tungsten carbide
    half the interstices giving both tungsten and carbon a regular trigonal prismatic, 6 coordination. From the unit cell dimensions the following bond lengths...
    34 KB (3,572 words) - 07:53, 19 May 2024
  • Thumbnail for Prism lighting
    into the room, rather than lighting the floor near the window. Modern prismatic panels are essentially an acrylic version of the old glass prism tiles...
    12 KB (1,327 words) - 10:21, 1 March 2024
  • Thumbnail for Liquid-crystal display
    Liquid crystals do not emit light directly but instead use a backlight or reflector to produce images in color or monochrome. LCDs are available to display...
    121 KB (13,668 words) - 11:26, 7 June 2024
  • cooled, graphite moderated reactor and uses TRISO fuel compacts in a prismatic core design. The power is generated via a gas turbine rather than via...
    4 KB (456 words) - 22:41, 20 July 2023
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