About 2 results for "UCOt7hoASi7Os3iDp05xAVSw"

Why It‘s difficult to cut things by Japanese swords. #katana #swords

Samurai Tavern -Ancient Japan*Modern Science • Feb 5, 2023

The amazing engineering of Japanese swords. Why steel blades can cut through iron? #katana #swords

Samurai Tavern -Ancient Japan*Modern Science • Feb 4, 2021