A 2,500-year-old Chinese sword discovered in 1965 remains razor-sharp and pristine today, seemingly defying the natural laws of decay that typically ravage ancient bronze weapons. The Sword of ...

which can explain its nickname of "twin-colored sword." The findings demonstrate that Chinese workers were able to make use of composite bronze materials to improve a weapon’s performance 2,500 ...

The earliest known Chinese writing was also found there ... it was used in ceremonies but not in battle where stronger bronze weapons would be used. It would have had a long handle made from ...