This is the best optical illusion I’ve ever seen. What do you see? Blue and pink spirals, right? Wrong; those spirals are the same colour.
Explanation (and proof!) is at discovermagazine.com.
The optical illusion is so effective, that it appears to have addled the writing bit of penllawen’s brain as well as the seeing bit.
It is, of course, the ostensibly blue and green parts of the spiral that are the same colour.
It is magical nonetheless.
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whileyouweregone reblogged this from penllawen and added:
is so effective, that it appears to have addled the writing bit of penllawen’s brain as well as the seeing bit. It is,...
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