pigment
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Scientists Finally Figured Out a Way to Make Natural Cyan-Blue Food Colouring
Using pigments found in red cabbage, an international team of scientists has created a natural blue food colorant that could eventually replace synthetic versions.
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This Painter Can Even Make Toxic Sludge Look Beautiful
If you didn’t think anything beautiful could come from toxic waste, well, think again. Ohio University art professor John Sabraw and civil engineer Guy Riefler have joined forces and devised a method for extracting iron oxide metals from industrial waste. The extracts can then be turned into vibrant pigments and used to create stunning works…