Il.lusió òptica
No hi ha vermells: https://www.linkedin.com/posts/paulboris_see-the-coke-can-what-color-is-it-from-activity-7189300715209601025-yI9F
Ilusión óptica
www.linkedin.com/posts/jscastro_desingthinking-ideation-opticalillusion-activity-6999784776194777088-CZPt pots veure els 16 cercles?
Velocitat angular
Keep watching until the fast-moving big hand overtakes the slow-moving little hand ⏰ Another cool optical illusion from @jagarikin pic.twitter.com/QeTCcIEFKh — World of Engineering (@engineers_feed) August 1, 2021
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