Originally Posted by mike734
Why is it when you throw a cup of hot water in the air in -40 temperature it freezes immediately (turns it to a fog) but when you throw a cup of room temp water in the air it does not freeze? I have observed this in Fairbanks on -40 days and am wondering how to explain it. I think it has something to do with the vapor point of hot water.
I was going to pretend to be the smart guy and paste some Internet Flotsum off as my own....but it's easier to post the link
http://math.ucr.edu/home/baez/physic...hot_water.html
As a postscript.....Google is awsome!