The latest Illusions Lab video on YouTube comes with a warning.
"Be aware! This video may cause temporary hallucinogenic effects. But please do not be afraid, these effects usually last a few seconds."
Follow the directions in this video and see if you too experience the momentary visual disorientation (note: we recommend you watch the video in full screen view):
If you enjoyed that illusion, try out this "growth vision" one posted the the Illusions Lab earlier this year:
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