On 3/2/2012 9:51 AM, James Silverton wrote:
> On 3/2/2012 11:55 AM, dsi1 wrote:
>> On 3/2/2012 2:18 AM, Krypsis wrote:
>>> On 1/03/2012 1:35 PM, dsi1 wrote:
>>>> On 2/29/2012 4:31 PM, Brooklyn1 wrote:
>>>>> On Wed, 29 Feb 2012 16:03:09 -1000, dsi1
>>>>> > wrote:
>>>>>
>>>>>> On 2/29/2012 2:46 PM, marco wrote:
>>>>>>> the directions for brown rice:
>>>>>>>
>>>>>>> Bring water to a rolling boil
>>>>>>> in "uncovered" container.
>>>>>>> I think I've seen these directions before
>>>>>>> for frozen vegetables.
>>>>>>>
>>>>>>> uncovered? why?
>>>>>>> it takes Longer to boil if uncovered
>>>>>>>
>>>>>>> marc
>>>>>>
>>>>>> My guess is that it's left uncovered so you can see when to turn the
>>>>>> heat down. Personally, I'd just use a glass lid.
>>>>>>
>>>>>> Boiling water without a lid is wasteful energy-wise. Putting a lid on
>>>>>> the pot cause the water to condense back into your food. This
>>>>>> releases
>>>>>> the latent heat of evaporation. My guess is that the heat returned to
>>>>>> the system is significant. Why is that? Because it takes a lot of
>>>>>> heat
>>>>>> to change water to steam. You can either choose to use the steam to
>>>>>> humidify and heat up your house or you can recycle that energy.
>>>>>
>>>>> Um, if you knew anything about cooking you'd know that often one cooks
>>>>> uncovered intentionally to cause a reduction. And with an
>>>>> uncovered/unpressurized pot you cannot produce steam, that's water
>>>>> vapor evaporating... you obviously failed JHS science.
>>>>
>>>> Surely, you can't be serious... oh wait... you are. One does a
>>>> reduction
>>>> by evaporation? Amazing! This one's a keeper!
>>>
>>> I wonder what that vapourish looking stuff is that escapes from my pot
>>> when I'm boiling water? It can't be steam because I don't have a lid on
>>> the pot and I should have been told in JHS science that I cannot produce
>>> team in an uncovered pot. For me, JHS was a very very long time ago.
>>>
>>> Riddle me this... If I boil water on a stove in an uncovered pot, why
>>> will it eventually boil dry if, as we have been told by Brooklyn, no
>>> steam is being produced? If no steam is being produced, we cannot be
>>> having any loss of liquid, can we?
>>>
>>> Wait, maybe Brooklyn is wrong? Could that be possible? Did he flunk JHS
>>> science classes? Maybe some new discovery has been made that turns the
>>> old theory that I learnt on its head in more recent times?
>>>
>>
>> It's a strange post alright. Even little kids and high school dropouts
>> know what happens when you heat water up. :-)
>
> Yes, steam is coming off boiling water whether a lid is on the pot or
> not. I think a pot of water will come to a boil faster with the lid on
> since not so much heat escapes but it doesn't seem to make a lot of
> difference.

I like to keep a lid on things if I can because it makes me feel bad to
waste energy.