-----Original Message-----=20
From: RussellMc
Sent: Thursday, October 21, 2010 11:52 PM
To: Microcontroller discussion list - Public.
Subject: Re: [OT] Milk Float (was Storage for 40mJ)

>It keeps the fish alive.
>Most materials contract when they freeze.
>It just happens to happen [tm], that water expands slightly when it
>freezes so that the ice floats. So oceans and ponds and cream bottles
>tend to freeze from the top down. Tends to insulate the whole and
>reduce prospect of pond etc freezing solid.

>That way the fish and maybe the bugs in your cream have  a chance to=20
>survive.

Coincidentally, that fact came up in a discussion I was having with my pa=20
just last night regarding fish taking advantage of the insulating propertie=
s=20
of ice on the top of lakes etc. Indeed we probably would not be here if=20
water did not have this property, so I'm all for it :-)=20


--=20
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