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  2. Traffic light - Wikipedia

    en.wikipedia.org/wiki/Traffic_light

    A vertical five-light bar holds the arrows underneath the standard green light (in this arrangement, the amber arrow is sometimes omitted, leaving only the green arrow below the steady green light, or possibly an LED-based device capable of showing both green and amber arrows within a single lamp housing). [21]

  3. Variations in traffic light operation - Wikipedia

    en.wikipedia.org/wiki/Variations_in_traffic...

    In New Zealand, where traffic is on the left, when a road is given a green light from an all-direction stop, a red arrow can continue to display to turning traffic, holding traffic back while a pedestrian crossing on the side road is given a green signal (for left turns) or while oncoming traffic goes straight ahead and there is no permissive right turn allowed (for right turns).

  4. Emergency vehicle lighting - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle_lighting

    Red is the most used color on Japanese emergency vehicles. Japanese police use light bars mounted on a raised (mechanical) platform to make them more visible over congested streets. Rotating lights are most commonly used. But some newer vehicles have LED light bars installed. Vehicles with any other light color than red are security or engineers.

  5. Cub Scouting (Boy Scouts of America) - Wikipedia

    en.wikipedia.org/wiki/Cub_Scouting_(Boy_Scouts...

    The Arrow of Light badge is the highest rank award available to Cub Scouts. To earn the Arrow of Light, the Cub Scout must complete six required adventures, two of 16 elective adventures, and child abuse prevention exercises. Earning the Arrow of Light allows a youth to join a Scout troop at ten years of age instead of eleven. [28]

  6. North American railroad signals - Wikipedia

    en.wikipedia.org/wiki/North_American_railroad...

    Vertical color light signals are the second major pattern of color light signals, and today represent the most popular form of signal in North America, supplanting the searchlight. [citation needed] These signals are not different from the triangular type color signal in function, but present a much altered visual appearance.

  7. Chiaroscuro - Wikipedia

    en.wikipedia.org/wiki/Chiaroscuro

    Christ at Rest, by Hans Holbein the Younger, 1519, a chiaroscuro drawing using pen, ink, and brush, washes, white heightening, on ochre prepared paper. The term chiaroscuro originated during the Renaissance as drawing on coloured paper, where the artist worked from the paper's base tone toward light using white gouache, and toward dark using ink, bodycolour or watercolour.

  8. AOL Mail

    mail.aol.com/?icid=aol.com-nav

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Light characteristic - Wikipedia

    en.wikipedia.org/wiki/Light_characteristic

    A Morse code light is light in which appearances of light of two clearly different durations (dots and dashes) are grouped to represent a character or characters in the Morse Code. For example, "Mo(A)" is a light in which in each period light is shown for a short period (dot) followed by a long period (dash), the Morse Code for "A".