An analysis of a 2,300-year-old text and coins has helped researchers decipher ancient recipes for bronze, including two linguistically elusive ingredients.
원문출처 : https://www.cnn.com/2022/08/09/world/ancient-bronze-chemistry-formula-scn/index.html
원문출처 : https://www.cnn.com/2022/08/09/world/ancient-bronze-chemistry-formula-scn/index.html