Modern Marvels: Blade implements have been a part of civilized man's arsenal since the Paleolithic Age, when sharp tools were chipped off of flint or obsidian. But with the discovery of metallurgy, people were able to forge stronger, more versatile blade implements. We visit an axe-throwing contest in Wisconsin for an introduction to the least subtle of the blade tools. Then we visit a swordsmith and an experienced swordfighter who work in traditional methods from ancient sources, and review the history of knives.

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Documentary, History