Video Assignment: Secrets of the Viking Sword

Now that you have read the text and thought about the questions I posed, take some time to watch this 53-minute NOVA video about using cutting edge science, old-fashion detective work, and modern craftsmanship to reconstruct a legendary Ulfberht Viking sword. As you watch this video see if you can apply what you know about carbon content in ferrous alloys to the properties of the sword being manufactured in this video.