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The Poor Farm

Hedonistic musings from the rural point of view
We do not rent pigs
Well, feed the French and kill the Germans
You made my sphincter eat my underpants

Thursday, June 25, 2009

You Can't Trust Your Own Eyes


It sure looks like there are blue and green spirals between magenta spirals. You would be wrong, as I am too.
You see embedded spirals, right, of green, pinkish-orange, and blue? Incredibly, the green and the blue spirals are the same color. At first I thought Richard was pulling our collective legs, being a trickster of high magnitude. So I loaded the image in Photoshop and examined the two spirals. In the two squares displayed below, the one on the left is colored using the same color from the blue spiral, and on the right using the green spiral.

green and blue squares

Like I said, incredible! For pedantry sake, the RGB colors in both spirals are 0, 255, 150. So they are mostly green with a solid splash of blue.

The reason they look different colors is because our brain judges the color of an object by comparing it to surrounding colors. In this case, the stripes are not continuous as they appear at first glance. The orange stripes don’t go through the "blue" spiral, and the magenta ones don’t go through the "green" one.

Click on the text above to go find out more - the image is broken down and the contrasts are more easily seen - but it still looks like green and blue!

Our eyes lie to us!

Originally seen at Frank J.'s

Posted by Jeffro at 6:59 PM
Labels: blog pimpage, geekery

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Blogs I Read Regularly

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  • Rachel Lucas (yep, she's back!)
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  • Serenity's Journal
  • Six Degrees of Blondness
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  • The McGehee Zone
  • The Other Side of Kim
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About Me

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Jeffro
I've lived here on The Poor Farm most of my life. Located in western Kansas, where the wind blows - supposedly the Dodge City weather station at the airport has the highest average wind speed in the CONUS. It would be the "sticks" out here if there were any trees, but I like it. I really like the spring - when it is calm, and the smell of the fresh wheat and other plants fill the air with a unique "green" smell. My real love is the fall, when the air is cooling and calm, when you breath the air it is like a drink of cool water. Speaking of cool water, my well produces some mighty good tasting stuff. It is hard water for sure - all the faucets have lime on them, but I'll take it over soft mossy smelling reservoir water from the city any day.
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