Han Purple: A 2,800-year-old artificial pigment that quantum physicists are trying to understand | Ancient Origins


Han purple is an artificial #pigment created by the Chinese over 2,500 years ago. It is a technological wonder, made through a complex process of grinding up raw materials in precise proportions and heating to incredible temperatures. So intricate was the process, that it was not reconstructed again until 1992. But this was just the beginning. Research since then has discovered amazing properties of #Han purple, including the ability to emit powerful rays of light in the near-infrared range, as well as being able to collapse three dimensions down to two under the right conditions….

Source: Han Purple: A 2,800-year-old artificial pigment that quantum physicists are trying to understand | Ancient Origins

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