"Damascus" saber blades (jan 1, 1300 – jan 1, 1800)
Description:
Contained carbon nanotubes and cementite nanowires—an ultrahigh-carbon steel formulation that gave them strength, resilience, the ability to hold a keen edge, and a visible moiré pattern in the steel that give the blades their nameAdded to timeline:
Date:
jan 1, 1300
jan 1, 1800
~ 500 years
