Alan B. Pearce wrote:
>> I could see how cling film might have a more-than-non-negligible
>> effect on the air flow -- but when I think of a
>> pack of biscuits sitting in a cupboard,
>>     
>
> It is not the air flow, the cling film is keeping the moisture out that 
> makes the biscuits go soft.


But isn't the moisture in the air? Isn't the moisture flowing through
the folds of the cling film just like the air is?

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist