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@ Superfly:

Forget x=y then and read have the same sharpness at different blade-warths ...... :-)


@ Uthed:

Stolichnaya technically would do, as long as it is "pure" alcohol dilution (over...

After pondering on it for a bit .....

So we established that the razor should be sharper when warm.

Now to continue my guess-work:

A cold blade should stay "sharper" longer (making sure x=y,...

Am guessing at this, but .....

As the edge is so thin, wouldn't even a small change in the temperature make a difference? The warmer it is the more it should "extend", thus making the cutting edge...