Old 12-29-17 | 12:59 PM
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_ForceD_
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Joined: Jul 2015
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From: Rhode Island (sometimes in SE Florida)

Bikes: Several...from old junk to new all-carbon.

Question for chemist, physicist, or maybe meteorologist.

Last week I went on a ride with the air temperature in the mid-/high-20s (F). Like other times I've ridden in cold temps...my water bottle froze. Earlier today I went on a ride and the temp was 10*F but my water bottle didn't freeze. Why did it freeze at 25* but not at 10*?

Dan
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