Optical Illusion
Very interesting optical illusion. Are A and B the same color. Yes, of course they are. Explanation here.
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Categories: Geek alert, Other Stuff, Science
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About Me
I'm 63 years old and living in rural NW Oregon. I've been knitting - on and off - for about 19 or 20 years and have done it all, but prefer knitting lace.
Geocaching
