If you like looking at things that make your head hurt and fill you with a mounting sense of confused rage, you're probably a fan of optical illusions.
They're frustrating, but they're also kind of cool once you've figured them out.
But what if you get an optical illusion you can't figure out? One which only makes your eyes burn the more you stare at it?
Well, see for yourself:
Terrific optical illusion by Victoria Skye@RichardWiseman @chriscfrench http://pic.twitter.com/IeSFupAcfU
— Martin S Taylor (@martinstaylor) August 7, 2017
Hellish. Read more...
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