Takafumi Matsui, director of the Chiba Institute of Technology’s Planetary Exploration Research Center in Japan, and his colleagues visited the weapon at the Egyptian Museum of Cairo in 2020 to find out... their chemical analyses of the dagger's blade and gold hilt, combined with historical knowledge of ancient manufacturing techniques, now cast doubt on whether it was crafted in ancient Egypt at all...Four years later, aided by the Grand Egyptian Museum’s conservation center, Matsui and his colleagues used a portable scanning X-ray fluorescence instrument to map out the elements on the surface of the blade; not just iron, nickel and...