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Ed Fowler did a few experiments with LN on carbon steel (particularly 52100, which is about the only steel he works with), and his tests indicated improvement. Now, 52100, because of its higher...

:roflmao :cen :roflmao Oh yeah, Josh...supposedly, liquid nitrogen will make your pantyhose last longer, too, with fewer runs. :D

Liquid nitrogen improves gun barrels, which have already been forged/heat treated, so I see no reason it wouldn't improve a razor. I think the effect would be less, however, than if it had happened...