Efecte òptic
I can't see more that 4 at a time!Who can see more than 4 dots at the same time? pic.twitter.com/Qwmm8ydKiB — ₮ƧLλ ₱H∅ΞN!X (@TeslaPhx) March 21, 2021
Efecto óptico
The brain's consensus algorithm demonstrated: pic.twitter.com/wo17ETeVnl — Carlos E. Perez (@IntuitMachine) March 8, 2021
Il·lusió òptica
https://m.facebook.com/#!/Sergioacertijos/photos/a.1836674019915990/1973893272860730/?type=3&source=48&refid=8&__tn__=EHH-R
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