Colours: from Cave Paint to Nanotube Black
Patented: History of Inventions
The Importance of Colour
Our colour vision isn't the best in the animal kingdom by any stretch of the imagination. Yet we're obsessed with colour, and finding great sources of it has been a human preoccupation. Places that had brilliant sources of different minerals were highly prized - even if they didn't have much else to offer. These colours are for what, for painters or for dying fabrics or for... All sorts of uses really.
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