Observe the black white spiral carefully for about 20 seconds, then fixate your view at the nebula below. What happens?
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Tricking your brain...
9 years ago in #science by digitalbrain (53)
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Observe the black white spiral carefully for about 20 seconds, then fixate your view at the nebula below. What happens?
Follow us @digitalbrain!
Wow, nice trick, @digitalbrain!
Thank you @argsolver!