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Re: cooling water



This is a hardy perennial.
A beaker of warm water can be made to freeze before a beaker of cool
water sometimes, if you hold your mouth just right.
There is a correspondence in Physics Education, New Scientist, Scientific
American, etc., etc. over many years.

Brian Whatcott Altus OK

At 15:12 5/29/98 -0700, you wrote:
There is a discussion in our building about which freezes faster warm water
or cold water. I seem to remember an article by Jerald Walker years ago
saying that warm water freezes faster. What are your ideas?