The hue kept changing depending on where on the screen he looked; the line looked purple when he stared right at it but blue when he saw it with his peripheral vision. Schulz-Hildebrandt, a ...
2don MSN
Optical illusion test: Blue, purple or red-- what's the colour of this dot and the science behind it
A biomedical optics engineer discovered a visual illusion where purple dots appear bluer in peripheral vision. This ...
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