On Thu, 31 Oct 2013 06:45:45 -0700 (PDT), Helpful person
> wrote:

>On Thursday, October 31, 2013 12:38:48 AM UTC-4, Ed Pawlowski wrote:
>> On Wed, 30 Oct 2013 21:16:42 -0700 (PDT), Helpful person
>> >On Wednesday, October 30, 2013 3:38:36 PM UTC-4, Brooklyn1 wrote:
>>
>> >> Flatness doesn't matter for even heating with a gas stove. Most
>> >> quality cookware is designed with a slightly concave bottom that will
>> >> become flat when metal expands as it's heated.
>>
>> >Why will it flatten when heated?
>>
>> 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.
>
>http://www.richardfisher.com

You say rubbish, yet you offer no better explanation. What does that
make you? Explain or STFU