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Prussian Blue
(
johncarlosbaez.wordpress.com
)
9 points
by
chmaynard
11 months ago
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2 comments
DaveZale
11 months ago
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The synthetic dyes industry made Germany very rich in the 19th century. Turning coal tar into many brilliant colors enables simple fabrics to be alluring and valuable.
ycombinatrix
11 months ago
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