but how does each blue see the other blues?


“how to measure ‘blueness’? Using suspensions of Prussian blue, Saussure dyed paper squares every shade of blue he could distinguish between white and black. These were assembled into a numbered colour circle that could be held up to the zenith at a standard distance from the eye – the matching square established the degree of blue.”

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archive images from Land Art Mongolia 3rd Biennial, HS 2014



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