The reason the eye sees the flash as green, according to Dr Young, is that someone waiting to watch it will usually have been staring at the setting sun for several minutes.
Subtract that undetected red from the yellow of the flash, and green is left.
The power went out Friday around midnight after a large green lightning flash in the driving snow that plunged us into darkness.
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The numbers flash red, yellow or green depending on whether the company is meeting its goals.
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The game will launch with a dozen characters, including Flash, Gaslight Joker, Green Lantern, Poison Ivy, Wonder Woman and Doomsday, and three maps.
So is the success of clean energy a flash in the pan, or does green-tech have a long-term future?
In addition to the announcement Tuesday that the comic book "Justice League" would be starting again at issue No. 1 in September, DC officials told CNN the publisher would also be renumbering and modernizing such titles as Wonder Woman, Aquaman, The Flash, The Fury of Firestorm, The Savage Hawkman, Green Arrow, Justice League International, Mister Terrific, Captain Atom and DC Universe Presents.
But the difference between being green and looking green is reinforced by the fact that photographs of the flash show it to be yellow, and that flashes at sunrise also appear yellow, even to the naked eye.
Green Arrow shoots a projectile, Batman summons autonomous drones, the Flash slows time, allowing him to chain together faster combos.
Hills that offer cool respite have lost significant green cover to overzealous building, leading to mud slides and, recently, flash floods.
Found only in these woods, the large bird is a beautiful sight, with its distinctive green and blue colouration, crested head feathers and, when in flight, the red flash of its wings.
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