Tuesday, November 27, 2012

the leaning tower of pisa


this may be the coolest optical illusion my eyes have ever played on me. in the photo on the left the  tower seems to be leaning slightly to the right. in the photo on the ride, the tower seems to be leaning even more drastically to the right.

in reality, these are the exact same photo.

what's the explanation?

"when we look up at parallel buildings... the buildings seem to converge as they reach toward the sky. However, our brains realize that this is just the view from our immediate perspective, so it corrects the image and returns them to their true, parallel state. when the buildings are parallel and do not seem to converge... our brains still issue this 'correction,' and bend them apart. But without the perceived convergence, the images instead appear to diverge. All because our minds can't always trust what our eyes believe to see."

via now I know

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