On Mon, 4 Nov 2013 07:55:53 -0800 (PST), Helpful person
> wrote:

> On Thursday, October 31, 2013 4:42:40 PM UTC-4, pltrgyst wrote:
> > On 10/31/13 12:34 PM, Helpful person wrote:
> >
> > >>>> Metal expands when heated. It will sort of push the sides out and
> > >>>> flatten. Some pans are designed that way to allow for the expansion.
> > >>>> A metallurgist can explain it better.
> >
> > >>> Rubbish.
> >
> > >> You say rubbish, yet you offer no better explanation. What does that
> > >> make you? Explain or STFU
> >
> > > A physicist. I cannot explain what you state without observation, but your
> > > explanation is incorrect.
> >
> > OK. I have two pans, one Griswold cast iron and one All Clad, which have
> > warped -- viewed from the bottom, the cast iron is concave, and the All
> > Clad is convex. Both flatten out on the cooktop after about five minutes
> >
> > of medium heat.
> >
> The most likely explanation is the creation and reduction of stress as the pan
> heats and cools.
>
They were abused. It's amazing, in an alarming way, what people
(especially males) will do to decent pans and still call it "cooking".

--
Food is an important part of a balanced diet.