Secrets of the Samurai Sword (2007)
WEBRip 720p | MKV | 1280 x 720 | x264 @ 2606 Kbps | 53mn 38s | 1,07 Gb
Audio: English AC3 2.0 @ 256 Kbps | Subtitles: None
Genre: Documentary | Director: John Wate
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.