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  2. If You See a Red Porch Light, This Is What It Means - AOL

    www.aol.com/lifestyle/see-red-porch-light-means...

    What do people think red porch lights mean?. Back in 2016, a satirical website claimed that red lights on porches meant the home was gun-free. That’s a hoax, urban-legends site Snopes points out.

  3. Green flash - Wikipedia

    en.wikipedia.org/wiki/Green_flash

    Green flash occurs because the atmosphere causes the light from the Sun to separate, or refract, into different frequencies. Green flashes are enhanced by mirages, which increase refraction. A green flash is more likely to be seen in stable, clear air, when more of the light from the setting sun reaches the observer without being scattered.

  4. 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".

  5. Greenhouse - Wikipedia

    en.wikipedia.org/wiki/Greenhouse

    A glasshouse, on the other hand, is a traditional type of greenhouse made only of glass panes that allow light to enter. The term hothouse indicates that the greenhouse is artificially heated. However, both heated and unheated structures can generally be classified as greenhouses.

  6. History of traffic lights - Wikipedia

    en.wikipedia.org/wiki/History_of_traffic_lights

    The main reason for the traffic light was that there was an overflow of horse-drawn traffic over Westminster Bridge which forced thousands of pedestrians to walk next to the Houses of Parliament. [6] The design combined three semaphore arms with red and green gas lamps for night-time use, on a pillar, operated by a police constable.

  7. Green Light - Wikipedia

    en.wikipedia.org/wiki/Green_Light

    Green Light (missile), a precursor to the Sea Cat surface-to-air missile; Green light (UFO), a type of unidentified flying object; Green light, a manager giving a player permission to be aggressive; See Glossary of baseball (G) Green light, the "Go" indication on a traffic light; Green light, to order someone's assassination

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  9. Statues (game) - Wikipedia

    en.wikipedia.org/wiki/Statues_(game)

    Red Light, Green Light is a variation of Statues played throughout North America. The title of the game refers to the colors of a traffic light. Like Statues, Red Light, Green Light is played in a field or another long space. One player, the Caller, stands at one end of the field and calls out to the rest of the players who line up at the other ...