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2. 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.

3. Wikipedia:Featured picture candidates/Green Flash (optical ...

   en.wikipedia.org/wiki/Wikipedia:Featured_picture...

   Original - Green flashes are optical phenomena that occur shortly after or during sunset or before or during sunrise, when a green spot is visible, usually for no more than a second or two, above the sun, or a green ray shoots up from the sunset point. Green flashes are actually a group of phenomena stemming from different causes.

4. Flash lag illusion - Wikipedia

   en.wikipedia.org/wiki/Flash_lag_illusion

   The flash lag illusion or flash-lag effect is a visual illusion wherein a flash and a moving object that appear in the same location are perceived to be displaced from one another. [ 1 ] [ 2 ] Several explanations for this simple illusion have been explored in the neuroscience literature (for a review, see [ 3 ] ).

5. Bloom (shader effect) - Wikipedia

   en.wikipedia.org/wiki/Bloom_(shader_effect)

   Bloom (sometimes referred to as light bloom or glow) is a computer graphics effect used in video games, demos, and high-dynamic-range rendering (HDRR) to reproduce an imaging artifact of real-world cameras. The effect produces fringes (or feathers) of light extending from the borders of bright areas in an image, contributing to the illusion of ...

6. Green flash (disambiguation) - Wikipedia

   en.wikipedia.org/wiki/Green_flash_(disambiguation)

   A green flash is an optical phenomenon. Green flash may also refer to: Green Flash, a 2008 comedy-drama "Green Flash" (song), by the Japanese idol group AKB48; Green Flash Brewing Company, a brewery in California, U.S. Green Flash Handicap, an American horse race

7. Stroboscopic effect - Wikipedia

   en.wikipedia.org/wiki/Stroboscopic_effect

   The stroboscopic effect visibility meter can be applied for different purposes (see IEC TR 63158 [12]): Measurement of the intrinsic stroboscopic-effect performance of lighting equipment when supplied with a stable mains voltage; Testing the effect of light regulation of lighting equipment or the effect of an external dimmer (dimmer compatibility).

8. File:USA - 10th Special Forces Flash.svg - Wikipedia

   en.wikipedia.org/wiki/File:USA_-_10th_Special...

   A green shield-shaped embroidered item with a semi-circular base edged with a 1/8 inch (.32cm) red border 2 1/4 inches (5.72cm) in height by 1 7/8 inches (4.76cm) in width overall. Background The beret flash was approved on 25 Jan 1993.

9. Blend modes - Wikipedia

   en.wikipedia.org/wiki/Blend_modes

   The Photoshop and illusions.hu flavors also produce the same result when the top layer is pure white (the differences between these two are in how one interpolates between these 3 results). These three results coincide with gamma correction of the bottom layer with γ=2 (for top black), unchanged bottom layer (or, what is the same, γ=1; for ...