Via NPR: This Can't Be Happening
OK, if you've got nothing else to do for one minute, let me mess with your head.
Below, you will see two circles composed of parallelograms. There's a dot in the middle of the image. Focus on the dot. Move your head in, then move it out.
Weird, no?
The circles seem to rotate.
(Of course, they don't really rotate; if you focus on a single parallelogram, you can move your head in and out all day and that sucker won't move at all.)
Something curious is going on.
Below, you will see two circles composed of parallelograms. There's a dot in the middle of the image. Focus on the dot. Move your head in, then move it out.
Weird, no?
The circles seem to rotate.
(Of course, they don't really rotate; if you focus on a single parallelogram, you can move your head in and out all day and that sucker won't move at all.)
Something curious is going on.
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