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Our vision is a funny thing.
For one thing, our brain takes roughly 80 milliseconds to process an image, meaning that we are always, ever so slightly, living in the past.
The way we perceive the colour of an object is also affected by its surroundings - for example the two hearts at the top of this article.
As Bite Size Psych explains, the visual context of the overlapping blue bars make us perceive the pink heart as purple, whereas green bars renders it orange.
They're not cheating either - we checked in photoshop.
The video also explains how the flashes outside the clockwise are actually in a straight line, not delayed - it's just our eyes being slow.
Our poor rods and cones.
Watch the video, below:
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