Astronomy Picture of the Day rationalizes including this really good optical illusion by relating it to the virtues of non-human observation in science.
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Kenneth Sutton's aide-mémoire
Kenneth Sutton's aide-mémoire
Astronomy Picture of the Day rationalizes including this really good optical illusion by relating it to the virtues of non-human observation in science.
Comments are closed.
Just when I thought I was getting a grip!