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Paul Kettnaker
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Paul Kettnaker

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amazing
 
It's not a gif, yet it appears to move. Perfect optical illusion for #sciencesunday   #scienceeveryday  H/T to +James McNalley for sharing!
According to a Google search, credit for this amazing image: http://www.tumblr.com/tagged/beau-deeley
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Paul Kettnaker

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After I read this, I immediately changed my mobiles PIN from the munchausen number :-/
from: http://spikedmath.com/285.html
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Paul Kettnaker

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Chocolate Skulls Gone Nuts from Ruth and Sira García Trigueros
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Paul Kettnaker

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:D
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Paul Kettnaker

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impressive, in a sad way
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the anti-carrot
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worth a look!
a new one every tuesday.
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after the actual 2012 video, funny again how easy some people let themselves hoaxed
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The dangerous travel of a plastic bag
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In his circles
633 people
Have him in circles
64 people
SPACE.com's profile photo
wolfram kettnaker's profile photo
Thomas Hecht's profile photo
Jan Koch's profile photo
Cellulite Tips's profile photo
vincent cool's profile photo
Hostal La Finca Culturas Unidas's profile photo
el Cat's profile photo
Planetaria's profile photo
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