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  2. Variations in traffic light operation - Wikipedia

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

    This light begins blinking with enough time for the driver to see it and slow down before the intersection light turns yellow, then red. The flashing yellow light can go out immediately when the light turns green, or it may continue for several seconds after the intersection light has turned green, as it usually takes a line of cars some time ...

  3. Color charge - Wikipedia

    en.wikipedia.org/wiki/Color_charge

    Color charge is a property of quarks and gluons that is related to the particles' strong interactions in the theory of quantum chromodynamics (QCD). Like electric charge, it determines how quarks and gluons interact through the strong force; however, rather than there being only positive and negative charges, there are three "charges", commonly called red, green, and blue.

  4. Sodium vapor process - Wikipedia

    en.wikipedia.org/wiki/Sodium_vapor_process

    Sodium vapor process aka "yellowscreen" method. The sodium vapor process (occasionally referred to as yellowscreen) is a photochemical film technique for combining actors and background footage. It originated in the British film industry in the late 1950s and was used extensively by Walt Disney Productions in the 1960s and 1970s as an ...

  5. Take 20% Off Raycon Earbuds, Headphones and Speakers ... - AOL

    www.aol.com/entertainment/20-off-raycon-earbuds...

    These Basic Earbuds. The Work Earbuds Classic. Raycon. For everyday wear that’s easy to take in and out, these buds are the perfect pick! See it! Get The Work Earbuds Classic (originally $120 ...

  6. Top 10 dangers associated with the Fourth of July - AOL

    www.aol.com/top-10-dangers-associated-fourth...

    Here are the top 10 product-related dangers during the July Fourth weekend, ranked by increase in hospital visits compared with normal spring and summer weekends, according to our data. 1 ...

  7. The 'funflation' effect: Why Americans are spending on travel ...

    www.aol.com/funflation-effect-why-americans...

    Even while carrying $1.13 trillion in credit card debt, many Americans are still willing to splurge on travel and entertainment. But this summer it will cost even more thanks to “ funflation ...

  8. Closed-eye hallucination - Wikipedia

    en.wikipedia.org/wiki/Closed-eye_hallucination

    Closed-eye hallucinations and closed-eye visualizations ( CEV) are hallucinations that occur when one's eyes are closed or when one is in a darkened room. They should not be confused with phosphenes, perceived light and shapes when pressure is applied to the eye's retina, or some other non-visual external cause stimulates the eye.

  9. Aura (symptom) - Wikipedia

    en.wikipedia.org/wiki/Aura_(symptom)

    Aura (symptom) An aura is a perceptual disturbance experienced by some with epilepsy or migraine. An epileptic aura is actually a minor seizure. [1] Epileptic and migraine auras are due to the involvement of specific areas of the brain, which are those that determine the symptoms of the aura. Therefore, if the visual area is affected, the aura ...