Kyocera makes Ceramic Knives.  The advantages of ceramic knives are that they remain sharp for a lot longer than their metallic counterparts.  They are also significantly lighter (which some people prefer, but I prefer heavier knives), and they are a little more delicate (meaning, you don't want to use them on product that could potentially damage the knife (meaning frozen foods, or anything with bones).   I say all of this, only because I was recently reminded of this knife, and...

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