Modern Marvels

Season 14 Episode 36: World's Sharpest

The Katana blade of the Samurai is the world's sharpest sword. We'll craft one from scratch to reveal the secret of its legendary cutting ability. We'll also visit Cutco Cutlery, where the sharpest for chopping food in your kitchen are made.

Genre:

Documentary

Seasons:

23

Episodes:

707

Cast:

Quality:

HD

Duration:

44 min

First Air:

1993

Rating:

8.1