Modern Marvels

Season 14, Episode 36

Episode Title: World's Sharpest

Air Date: 2007-10-11

Overview:

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.