From Gizmodo
Archaeologists Fished a 3,300-Year-Old Sword From a Volcanic Crater Lake—and It’s Still Sharp

Authorities say that the sword is still exceptionally sharp, even after spending presumably thousands of years underwater.
TechBlastTechnology. Unpacked.UK & world technologyFrom Gizmodo

Authorities say that the sword is still exceptionally sharp, even after spending presumably thousands of years underwater.