Curious or Interesting?

In the optical illusion below the “A” square and the “B” square are the same color grey. Do you believe me? What makes you doubt the veracity of my claim? Do you find the illusion interesting? Are you curious to know more? I’ll give you the proof of the argument at the end of this article.

Continue reading → Curious or Interesting?

Optical Illusion

A friend sent this to me:

 Optical Illusion

Which way are the flowers moving?

How and why is the effect created and perceived?