illusion

Fun optical illusion to tease your mind

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The text above, in Japan­ese, says: “If it appears to rotate, RT” 🙂

You can quick­ly notice how the dots do not move at all … and how the effect takes place.

More fun illusions and brain teasers:

Rectangles or circles? This surprising mind teaser highlights the value of perspective diversity and open conversation

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This sur­pris­ing illu­sion by math­e­mati­cian and artist Kokichi Sug­i­hara, named the 2016 Illu­sion of the Year, high­lights the crit­i­cal impor­tance of per­spec­tive diver­si­ty and open conversation.

Sur­prised? [Read more…] about Rec­tan­gles or cir­cles? This sur­pris­ing mind teas­er high­lights the val­ue of per­spec­tive diver­si­ty and open conversation

The Hermann grid optical illusion, explained

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In this image, do you see some­thing oth­er than black and white? Does it mat­ter if you look direct­ly at one of the black blocks, vs. at one of the intersections?

Hermann Grid

While there are real­ly only black blocks and white spaces in the grid, the high con­trast black and white areas fool the eyes into per­ceiv­ing a gray cir­cle at each inter­sec­tion. The illu­sion results from [Read more…] about The Her­mann grid opti­cal illu­sion, explained