Invisible nous apporta ses lumieres en ce 2007/12/13 07:00:
> scott wrote:
> 
>> Just pour hot water over the ice until it's all melted, then use the 
>> wipers to clear the excess liquid.  That will keep the glass warm and 
>> dry enough until you get things warmed up.  All cars are designed to 
>> survive thermal shock like this, if your windscreen cracks then it 
>> would have cracked anyway due to the next stone that hit it or 
>> whatever...
> 
> Sorry, the school car park doesn't have any hot water. ;-)
> 
> Actually, last night while I was laying in bed, failing to be asleep, I 
> wondered about something. Every time we have frost, government vehicles 
> drive out and dump many billions of tonnes of salt onto the roads.
> 
> 1. What the hell does that do to the cars?
It make them rust away.
> 
> 2. Where does all this salt *go* to? Is this a problem?
In the ground and the reivers. If you have clay rich ground, it's not a problem 
as the salt make that clay harder, less prone to change into mud. It can be a 
problem for the vegetation, killing it.

-- 
Alain
-------------------------------------------------
You know you've been raytracing too long when you've tried rendering hair with 
each strand as an object.
Quietly Watching

Post a reply to this message