Colors: polychroism. Gold coins are yellow, but thin-layer gold is green in colour

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Colors: polychroism. Gold coins are yellow, but thin-layer gold is green in colour

XEE4140521 Colors: polychroism. Gold coins are yellow, but thin-layer gold is green in colour. Anonymous illustration from 1925. Private collection. by Anonymous; Private Collection; (add.info.: Colors: polychroism. Gold coins are yellow, but thin-layer gold is green in colour. Anonymous illustration from 1925. Private collection.); Stefano Bianchetti; out of copyright

Media ID 22293594

© Stefano Bianchetti / Bridgeman Images

Optical Physical 1920s 20s 20s

EDITORS COMMENTS
This print titled "Colors: polychroism" showcases the intriguing optical phenomenon of gold's changing hues. In this anonymous illustration from 1925, we are presented with a visual juxtaposition between traditional gold coins and thin-layer gold. While our eyes associate gold with its characteristic yellow color, the thin layer of this precious metal appears strikingly green. The image, part of a private collection and expertly captured by Stefano Bianchetti, invites us to ponder the complexities of color perception and knowledge. It serves as a reminder that physical properties can greatly influence how we perceive objects in our world. Transporting us back to the vibrant 1920s, this artwork encapsulates the spirit of an era defined by innovation and exploration. The engraving technique employed adds depth and texture to the composition while emphasizing the intricate details that make up this mesmerizing display. As we gaze upon this remarkable piece, let us appreciate not only its aesthetic beauty but also its ability to spark curiosity about the interplay between light, materials, and human perception. Through art like this, we gain insight into both historical contexts and timeless truths about our world's wondrous intricacies.

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