Secrets of the Samurai Sword
Movie| Title | Secrets of the Samurai Sword |
| User score | 8 |
| Release date | Oct 7, 2007 |
| Genre | Documentary |
| Director | John Wate |
| Production country | United States of America |
| Production companies | PBS Digital Studios |
| Run time | 53 min. |
Nova follows the creation of a katana from raw iron ore to finished masterpiece, through the hands of fifteen master artisans as scientists explain the chemistry and physics at each step that makes it a superb piece of engineering.
