Brain Games and Optical Illusions @ National Geographic

Sev­er­al Sharp­Brains friends rec­om­mend the recent 3‑part Nation­al Geo­graph­ic TV mini-series Brain Games focused on Per­cep­tion, Atten­tion and Mem­o­ry. You can learn about the series and exper­i­ment a good num­ber of visu­al illu­sions Here.

You may also enjoy this arti­cle on Visu­al Illu­sions in Art and Sci­ence, and these clas­sic illu­sions from our own brain teas­er library:
- The Muller-Lyer Illu­sion.
— Don’t try this with your part­ner, or you may fight.
— How many col­ors do you see in The Her­mann Grid?
— This is less obvi­ous than it may appear.
— Is this a cir­cle or what?
— Are these 2 rows par­al­lel?
— What do you see?