Checkerboard

Slightly warped.

1 - 2 of 2

1 of 2 photos

This image appears to bulge in the middle, but all of the lines are completely straight and parallel! The apparent warping is caused by the placement of the black and white pips in the corners of the squares. See the next image for an overlay that will make the illusion more obvious.
This image appears to bulge in the middle, but all of the lines are completely straight and parallel! The apparent warping is caused by the placement of the black and white pips in the corners of the squares. See the next image for an overlay that will make the illusion more obvious.

Researchers: Video games ease pain, reduce anxiety
Childhood immunizations -- together with a host of other painful medical procedures -- could soon become … More »Researchers: Video games ease pain, reduce anxiety
Wii is ‘good for your heart’
Nintendo's easy-to-use, family-friendly Wii console has found its way into the hearts of some 70 million … More »Wii is ‘good for your heart’
5 ways video games are good for you
It's not hard to find stories that blame video games for all of society's problems. From ill-attentive … More »5 ways video games are good for you