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NZ Herald cartoon and optical illusion – can anyone explain how it works? (nzherald.co.nz)
2 points by 69_years_and 4229 days ago
1 comments
gus_massa 4229 days ago
Wikipedia has an article about it, but the explanation is not very clear: http://en.wikipedia.org/wiki/Grid_illusion#Scintillating_gri...
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