> This assume perfect coupling which you can get on the thermometer, the
> pot in a pot would be tougher. I don't understand where the air flow
> comes from in the pot it pot. I'm not saying it won't work, just
> that I can't see it doing much unless exposed to air flow.
>
>
> Joe

It'd work to a certain extent if the outer pot was unsealed. Water would
slowly seep through the wall.

Mike