Add Yahoo as a preferred source to see more of our stories on Google. Somewhere between science and magic, cyanotypes are art prints that use the power of the sun to record graphic blue and white ...

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Advocate staff photo by BRIANNA PACIORKA -- Palmer Crain, left, and Slade Coffrey, center, watch as cyanotypes develop in the afternoon sun at the Bluebonnet Swamp Nature Center on Saturday. Children ...

Cyanotype ' is a photo printing method invented in the 19th century. By printing in sunlight through a chemical reaction using special chemicals, it is possible to print monochrome photos with a ...