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Thanks kcarlisle,
I heard this hot/cold question in the movie Miller's Crossing set in the 1920's
Appreciate you pointing out that it may have been a popular theory years go.
Most guys here seem...

Thanks, Stubear,
Appreciate your input.
Also love your Pratchett quote.
Jim

Being the son of a metallurgist, I know that steel contracts in cold water and expands in hot. Wouldn't that mean that while shaving you should be rinsing the blade with cold tap water to retain it's...