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Posts tagged flash

March 29, 2017

 

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Why Red Eye?

Learn why you sometimes have glowing red eyes in photographs.

July 20, 2016

 

Rubbing your eyes can cause illusions of light and patches of color

The Amazing Flash Illusion

If you've ever rubbed your eyes and seen faint sparkles of light, you have demonstrated a surprising fact of sensory physiology.

November 16, 2011

 

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Flash!

Are you familiar with the study done by Wolfgang Miltner at Friedrich Schiller University in Germany?

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