Re: Credit Card Question

M.I.5¾ wrote:
"Alex Heney" <me8@xxxxxxxxxxx> wrote in message news:r61453p1iigke6kj80ltg29tss2fqgdetb@xxxxxxxxxx
On Mon, 21 May 2007 11:01:36 +0100, "M.I.5¾"
<no.one@xxxxxxxxxxxxxxxxxxxxxx> wrote:

"Jonathan Bryce" <jonathan@xxxxxxxxxxxxxxxxxxxxx> wrote in message
news:m9WdnZTbjJ1L2NLbnZ2dnUVZ8v6dnZ2d@xxxxxxxxxxxxxxxxx
peterwn wrote:

At this pont, if you have spare equity on any house you own, then ask
the mortgagee for a top up to clear the credit card debt. If not,
either cut the card in two, or put it in a mug of water and put it in
the freezer (this is a sort of time lock).
which will also break the mug.
No. It won't break the mug until you remove it and thaw it, though it is
quite possible to thaw it without breaking the mug

That would depend on the mug in question. If it has a narrow point
above its widest point (and I do have a couple of mugs shaped that
way), then it could be broken during the freezing process.

Hey I got one!

As any plumber will tell you, it is a myth that water expands on freezing. The actual expansion takes place when the ice warms up to the point of thawing. The water doesn't in fact freeze at 0°C, it will supercool for a few degrees before finally freezing, thust it will not be at its maximum volume at this point. But it has to warm to 0°C before it can melt during which time its volume increases significantly.

No it doesn't , ice is less dense than water - thus takes up more space- as ice is formed it needs more room.

The reason pipes only *seem* to burst during a thaw is that although the damage was caused earlier during the freeze, the water is frozen and can't leak out. Once the thaw starts the water pisses out of the crack!



That is why, when your pipes freeze, it is possible to rescue the situation by carefully warming the frozen pipe from the end with (say) a hair dryer. This way the water can expand into the air at the end. The big problem with ice as a solid is that unlike many solids, the expansion coefficient is not linear with temperature, the greatest expansion taking place between -5 and 0°C. If the pipe warms up to 0°C before you catch it, it's too late.


By warming it up the ice/water needs LESS space and so reduces the pressure on the pipe....
.

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