Expanding squares illusionpic.twitter.com/6MpxvKLNKw
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It's very subtle and only worked for me when looking at the lateral squares
Only with one eye closed.
You should add “Kind of” as an option to the poll because it’s hard to describe. The illusion isn’t a constant “pulse”. It’s a quick “pulse” and then your focus resets. IMO.
It's as if they are swelling up.
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