Re: [Phys-l] sudden Vacuum freezing

[Michael Porter <listmoe@gmail.com>]

On May 7, 2007, at 7:45 PM, John Mallinckrodt wrote:
> A friend of
> my wife discovered by accident that she could repeatedly and
> surprisingly reliably view the process simply by placing a plastic
> bottle of water in the freezer overnight, taking it out the next day,
> and manipulating it a little.

That is very neat -- does this happen with particular bottles, or  
reliably with just about every one? Does the bottle become noticeably  
warmer when the ice forms? (Would you be able to tell? Really cold to  
pretty cold?)
---
Michael Porter
Colonel By Secondary School
Ottawa, Ontario, Canada