What is reality?

Reality is the result of our perceptions as interpreted by our brain. If you don't believe it, here is the proof: A simple checkerboard consisting of black and white squares. There are no curved lines in the picture.Why do we see curved lines and what appears to be a bulge in the center of the picture? The picture elements combine to create crossed diagonal lines which interfere with our perception of the straight horizontal and vertical lines. Squint to see the diagonal lines that form a cross in the middle. If you still do not believe that there are no curved lines, take a ruler and check the edges. Even after we understand that there are no curved lines, we still see the curved lines. That is reality.
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