The Katana: In which Snark Rears its Head

This is a special request I received: “Will you do one about katanas and how they can cut through tanks, rocks and telephone poles?”  The request was made by one of my students, so you can be assured that there may have been a hint of sarcasm in that comment.  At any rate, it’s still something that deserves to be talked about.  First take a minute or six to watch the following video.  Seriously this guy is brilliant.:

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