Quote Originally Posted by thebigspendur View Post
Great explanation, The only disagreement I have is the fin idea. The fin does exist however you can't see it even with any microscope any of us would have. All knives have them its just a matter of how fine those fins are. Remember that any edge no matter how smooth it may look when enlarged enough will not be smooth at all. It will have fins or teeth.

Actually any material that may appear perfectly smooth, when enlarged enough will look like the surface of the moon. Thats a departure from razors however the concept is the same. That smooth edge just ain't so smooth.
Thanks for your information.