Afterimage
An afterimage is a lingering visual sensation that remains after the original light source has been removed, often appearing in complementary colors to the original stimulus. This optical illusion reveals how our eyes and brain process and retain visual information, making it a common yet intriguing phenomenon in psychology, art, and everyday mishaps like staring at a bright phone screen.
Did you know?
Did you know that afterimages can last from a few seconds to several minutes and were key to Isaac Newton's groundbreaking experiments in the 1660s, helping him develop his theory of color and light? This simple effect has even inspired modern tech, like in smartphone displays that minimize afterimage persistence to prevent eye strain for billions of users worldwide.
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