This thread went viral because it’s fascinating and you’ll never see in quite the same way again

Someone called @foone posted this thread about our eyes and the way our brain enables us to see and it’s seriously gripping stuff.

It’s the leap from 7 to 8 that enthralled us most – we’d always noticed this but never knew why (or bothered to ask) and the reveal from 28 to 29 is pretty good too.

Take your time, it’s worth it.

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