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Mysterious ancient chemical formulae are decoded at last

Knife coins used in China around 400 BC on a black background

The composition of knife coins used in China during the Warring States period (475-221 BC) helped scientists to decipher bronze-making recipes in an ancient technical encyclopedia. Credit: British Museum

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Nature 608, 452 (2022)



  1. Pollard, A. M. & Liu, R. Antiquity (2022).

    Article  Google Scholar 

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