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Well, let me speak for myself.

First on the geometry-sharpness issue

Well I guess my standard of good microscopy is a bit more demanding than yours. The following quantities are quantifiable to...

Actually this doesn't quantify sharpness, for that you need a really good microscope. This quantifies the ability to break fiber.

Gillette and Schick use polymers to reduce the friction so that...

Well, before you get too lost in the technicalities there is a crucial big picture piece missing.

The fundamental part here is shaving, and I'm not quite sure you are yet at the point of being...