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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 |
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On Feb 29, 4:46*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 Not enough to worry about it. |
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On Wednesday, February 29, 2012 4:49:26 PM UTC-8, Andy Tillinghast wrote:
> On Feb 29, 4:46*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 > > Not enough to worry about it. I'm not worried, just curious that there may be a reason, but I can't think of one marc |
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On Feb 29, 8:03*pm, marco > wrote:
> On Wednesday, February 29, 2012 4:49:26 PM UTC-8, Andy Tillinghast wrote: > > On Feb 29, 4:46*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 > > > Not enough to worry about it. > > I'm not worried, just curious > that there may be a reason, > but I can't think of one > > marc it's easier. i worked with a chinese chap, and he always boiled rice uncovered. the extra effort of putting the lid on, he figured it wasn't necessary. It's a bit of laziness coupled with a microsecond or two of getting stuff done faster. That's what I think. Maybe there's another reason. I like to do rice in the oven. White rice, water, not 2x, but about 1.5 times water as per rice. an onion studded with cloves and bay leaf. Oven about 350. Check at 20 minutes. My oven I think (I don't have a proper oven thermometer) is a bit hot, so at about 25 minutes, rice is done. |
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![]() "marco" > wrote in message news:4576403.699.1330562809037.JavaMail.geo-discussion-forums@yngj4... > 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 Maybe because you'll notice it faster with the lid off? |
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marco wrote:
>On Wednesday, February 29, 2012 4:49:26 PM UTC-8, Andy Tillinghast wrote: >> On Feb 29, 4:46*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 >> >> Not enough to worry about it. > >I'm not worried, just curious >that there may be a reason, >but I can't think of one Some people also preach that you *must* keep the lid on when boiling pasta. Ho-hum. |
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On Wed, 29 Feb 2012 16:46:49 -0800 (PST), 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 I have no idea. I cover my pot of water to bring it to a full boil, then dump my brownridce in and recover and torn to LOW for about an hour, for my brown rice. John Kuthe... |
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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. |
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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. |
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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! |
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![]() "George M. Middius" > wrote in message ... > marco wrote: > >>On Wednesday, February 29, 2012 4:49:26 PM UTC-8, Andy Tillinghast wrote: >>> On Feb 29, 4:46 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 >>> >>> Not enough to worry about it. >> >>I'm not worried, just curious >>that there may be a reason, >>but I can't think of one > > Some people also preach that you *must* keep the lid on when boiling > pasta. Ho-hum. Who? |
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On Wed, 29 Feb 2012 16:46:49 -0800 (PST), marco >
wrote: > uncovered? why? > it takes Longer to boil if uncovered - Boiling with the lid on increases the likelihood of boiling over. - Boiling with the lid on causes the liquid to boil (and the food to cook) faster than what may be desirable. - As others have mentioned, boiling with the lid on prevents reduction. There are probably other good culinary reasons for boiling with the lid (completely or partially) off when you're concerned with more than just saving time and fuel. -- Ann's Little Brother Bob |
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Bob O'Dyne wrote:
>> uncovered? why? >> it takes Longer to boil if uncovered > - Boiling with the lid on increases the likelihood of boiling over. > > - Boiling with the lid on causes the liquid to boil (and the food to > cook) faster than what may be desirable. > > - As others have mentioned, boiling with the lid on prevents > reduction. > > There are probably other good culinary reasons for boiling with the > lid (completely or partially) off when you're concerned with more than > just saving time and fuel. I think the confusion arose from the fact that the directions said to bring the water to a boil in an uncovered pot. Sure, there are plenty of reasons for leaving the pot uncovered when you're cooking the food itself. But if you're just bringing water to a boil, it's pointless to leave the pot uncovered. Bob |
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Julie Bove wrote:
>> Some people also preach that you *must* keep the lid on when boiling >> pasta. Ho-hum. > >Who? Italian nonne. |
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George M. Middius wrote:
>>> Some people also preach that you *must* keep the lid on when boiling >>> pasta. Ho-hum. >> Who? > Italian nonne. Some people put the lid on soon after they put pasta in the pot, to help the water get quickly back to a rolling boil, I too do it. Otherwise I've never seen people boiling pasta with the lid on. |
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![]() "Julie Bove" > wrote in message ... > > "George M. Middius" > wrote in message > ... >> marco wrote: >> >>>On Wednesday, February 29, 2012 4:49:26 PM UTC-8, Andy Tillinghast wrote: >>>> On Feb 29, 4:46 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 >>>> >>>> Not enough to worry about it. >>> >>>I'm not worried, just curious >>>that there may be a reason, >>>but I can't think of one >> >> Some people also preach that you *must* keep the lid on when boiling >> pasta. Ho-hum. > > Who? Somebody who never cooked pasta. Paul |
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![]() "Julie Bove" > wrote in message ... > > "marco" > wrote in message > news:4576403.699.1330562809037.JavaMail.geo-discussion-forums@yngj4... >> 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 > > Maybe because you'll notice it faster with the lid off? Somebody call the Mythbusters! Paul > > |
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On 1/03/2012 11:43 PM, Paul M. Cook wrote:
> "Julie > wrote in message > ... >> >> "George M. > wrote in message >> ... >>> marco wrote: >>> >>>> On Wednesday, February 29, 2012 4:49:26 PM UTC-8, Andy Tillinghast wrote: >>>>> On Feb 29, 4:46 pm, > 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 >>>>> >>>>> Not enough to worry about it. >>>> >>>> I'm not worried, just curious >>>> that there may be a reason, >>>> but I can't think of one >>> >>> Some people also preach that you *must* keep the lid on when boiling >>> pasta. Ho-hum. >> >> Who? > > Somebody who never cooked pasta. > > Paul > > You're probably right. I recently cooked some pasta and found no need to put a lid on the pot. In fact, a lid would have been more of a nuisance. -- Krypsis |
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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? -- Krypsis |
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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. :-) |
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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. -- Jim Silverton Extraneous "not" in Reply To. |
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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. |
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On Fri, 02 Mar 2012 14:51:46 -0500, 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 wish people would learn the difference between steam and water vapor.... you will hardly ever encounter steam, except in a pressurized vessel. What you see coming off boiling water is water vapor... steam is also not visible. >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. A covered pot does indeed come to a boil faster. But hardly any cooking is done by boiling in a covered pot, unless one wants a mess from boil overs. Covered pots entail barely a simmer. |
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On 02/03/2012 2:51 PM, James Silverton wrote:
>> 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. Maybe it depends on how much water you are heating up. From my experience, it doesn't seem to make much difference if you are just heating up a small amount but it does seem to heat up faster if heating larger amounts. The lid retains most of the heat. The heat is coming from the bottom and when it is released at the top it isn't going to have as much effect on the water below it, though it does raise the ambient temperature. One thing to keep in mind is that when you are trying to simmer something, you can get a nice simmer going with the lid off. When you put the lid on that simmer increases to a boil without adjusting the burner. |
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On 02/03/2012 2:53 PM, dsi1 wrote:
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. > > In the winter I pay for fuel to heat my house and winter air is drier than summer air. I don't have a big problem with letting that steam into the air. |
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On 02/03/2012 3:59 PM, Brooklyn1 wrote:
> > I wish people would learn the difference between steam and water > vapor.... you will hardly ever encounter steam, except in a > pressurized vessel. What you see coming off boiling water is water > vapor... steam is also not visible. Steam is water vapour. According to Wikipedia, steam is the technical term for water that is formed when water boils. |
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Krypsis wrote:
> > 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? And what's up with a "steamy bathroom" after taking a long shower? ![]() Gary |
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dsi1 wrote:
> > I like to keep a lid on things if I can because it makes me feel bad to > waste energy. It makes you feel bad? ;-D Gary |
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On 3/2/2012 12:09 PM, Gary wrote:
> dsi1 wrote: >> >> I like to keep a lid on things if I can because it makes me feel bad to >> waste energy. > > It makes you feel bad? ;-D > > Gary This pretty much means that I'm an old fart. |
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On Fri, 02 Mar 2012 17:06:01 -0500, Gary > wrote:
>Krypsis wrote: >> >> 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? > >And what's up with a "steamy bathroom" after taking a long shower? ![]() That would be fog and condensate... were steam exiting your shower head you'd be dead. It's fine to take poetic license by using "steam" as a euphemisn as in steamy sex but not when trying to be precise with heating water. |
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dsi1 wrote:
> > On 3/2/2012 12:09 PM, Gary wrote: > > dsi1 wrote: > >> > >> I like to keep a lid on things if I can because it makes me feel bad to > >> waste energy. > > > > It makes you feel bad? ;-D > > > > Gary > > This pretty much means that I'm an old fart. Yeah, darnit..... ME TOO! |
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On 3/03/2012 9:42 AM, Brooklyn1 wrote:
> On Fri, 02 Mar 2012 17:06:01 -0500, > wrote: > >> Krypsis wrote: >>> >>> 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? >> >> And what's up with a "steamy bathroom" after taking a long shower? ![]() > > That would be fog and condensate... were steam exiting your shower > head you'd be dead. It's fine to take poetic license by using "steam" > as a euphemisn as in steamy sex but not when trying to be precise with > heating water. Let's try this again... What is condensate if not steam that has been condensed? If you have condensate on the walls of your bathroom after having a shower, how did the condensate get there? Was it a "miracle"? Now, let's look at fog. Fog is technically water vapour which has condensed. Been down to the river lately. Go down there on a cool morning sometime just as the sun is rising. You will see "fog" rising from the water. This fog is just condensate. It was given off from the surface of the water as steam or water vapour if you prefer. You cannot actually see steam as it is, like water, colourless. What you see is the steam as it recondenses back to water in the form of fine water droplets. Steam will not exit the shower head but it will be given off from the water surface as the water exits from the shower head. This is a process known only to JHS students (obviously) as "evaporation". Evaporation seem to be a miraculous process Now, since you have a fixation on steamy sex, explain to me the origins of the term. Better yet, it might be best if I explain it to you since you seem to think it's a "euphemisn" (sic). I suspect you might have meant euphemism! You seem to have a poor memory of your last sexual experience so I suspect it may have been a long long time ago or possibly you may never have had one. At any rate, "steamy sex" can be a quite literal term, you just need to get into the deed with a little gusto and, no, masturbation doesn't count! When we humans engage in physical activity (sexual activity included) we generate excesses of heat. Since our body only operates properly at a very narrow range of temperatures, we need to get rid of this excess as soon as possible. How do we do this? It's simple, we sweat. Sweating is the production of a fluid consisting primarily of water as well as various dissolved solids (chiefly chlorides), that is excreted by the sweat glands in the skin. In humans, sweating is primarily a means of thermoregulation, although it has been proposed that components of male sweat can act as pheromonal cues. (There's that sweaty sex reference again). Anyway, evaporation of sweat from the skin surface has a cooling effect due to the latent heat of evaporation of water. Hence, in hot weather, or when the individual's muscles heat up due to exertion, more sweat is produced. Sweating is increased by nervousness and nausea and decreased by cold. Even though my wife thinks I'm pretty "hot", it's quite obvious to me that my sweat never reaches the boiling point of water. Therefore, it seems that evaporation of sweat from my body (and yours if you ever get lucky!) occurs at much lower temperatures than 100C (212F) Can I see my sweat evaporating? Not unless it occurs in vast quantities (at 74, I'm not quite that hot any more!) or there is a cool surface such as a mirror for the water vapour from my sweat to condense upon. Just to clarify, we don't have ceiling mirrors in the bedroom. Animals with few sweat glands, such as dogs, accomplish similar temperature regulation results by panting, which evaporates water from the moist lining of the oral cavity and pharynx. So dogs, it would seem, do not engage in sweaty sex unless of course you consider panting to be sweaty sex. Poor dogs!! Come to think of it, many of my friends from my younger days used to pant at the sight of a hot girl down at the beach so maybe dogs can have a variant of sweaty sex. Anyway, you stick with your "poetry" and your "poetic license" and I'll stick with the steamy sex. I sincerely hope you get lucky someday and understand that steamy sex is a literal term. Lack of experience is a real bitch! -- Krypsis |
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On 3/03/2012 9:51 AM, Gary wrote:
> dsi1 wrote: >> >> On 3/2/2012 12:09 PM, Gary wrote: >>> dsi1 wrote: >>>> >>>> I like to keep a lid on things if I can because it makes me feel bad to >>>> waste energy. >>> >>> It makes you feel bad? ;-D >>> >>> Gary >> >> This pretty much means that I'm an old fart. > > Yeah, darnit..... ME TOO! Me three! -- Krypsis |
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On Sat, 03 Mar 2012 19:27:48 +1100, Krypsis >
wrote: > >Let's try this again... > >What is condensate if not steam that has been condensed? If you have >condensate on the walls of your bathroom after having a shower, how did >the condensate get there? Was it a "miracle"? It sure was not from steam. To make steam, water has to be heated to a minimum of 212F at sea level. Steam is invisible, a vapor. When we "see" steam, it is really vapor mixed with the condensate. > >Now, let's look at fog. Fog is technically water vapour which has >condensed. Been down to the river lately. Go down there on a cool >morning sometime just as the sun is rising. You will see "fog" rising >from the water. This fog is just condensate. It was given off from the >surface of the water as steam or water vapour if you prefer. Half right. No steam in the river. Have you ever seen a river boil? Water vapor is formed by evaporation or boiling. Water vapor though, is not steam. Water vapor can condense on the walls when you shower, it can condense over a river, make clouds in the sky. Sublimation can also form water vapor. Much of the snow in Alaska is sublimated rather than melted. |
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On 3/03/2012 11:42 PM, Ed Pawlowski wrote:
> On Sat, 03 Mar 2012 19:27:48 +1100, > > wrote: > > > >> >> Let's try this again... >> >> What is condensate if not steam that has been condensed? If you have >> condensate on the walls of your bathroom after having a shower, how did >> the condensate get there? Was it a "miracle"? > > > It sure was not from steam. To make steam, water has to be heated to > a minimum of 212F at sea level. Steam is invisible, a vapor. When we > "see" steam, it is really vapor mixed with the condensate. So pray tell how evaporative cooling works? They sure as hell don't boil the water in those systems yet they cool through latent heat of evaporation. Something's evaporating in them and it's my guess it is the water. >> >> Now, let's look at fog. Fog is technically water vapour which has >> condensed. Been down to the river lately. Go down there on a cool >> morning sometime just as the sun is rising. You will see "fog" rising >>from the water. This fog is just condensate. It was given off from the >> surface of the water as steam or water vapour if you prefer. > > Half right. No steam in the river. Have you ever seen a river boil? > Latent heat of evaporation again. > > Water vapor is formed by evaporation or boiling. Water vapor though, > is not steam. Water vapor can condense on the walls when you shower, > it can condense over a river, make clouds in the sky. > > Sublimation can also form water vapor. Much of the snow in Alaska is > sublimated rather than melted. Have you ever poured a little methylated spirits onto the skin of your hand? Noticed that your hand suddenly begins to feel cold? Do you know why that is? The boiling point of methylated spirits (denatured alcohol) is very close to that ethanol which is 78 °C (172 °F). It has a lower boiling point than water but not by all that much in the general scheme of things. The methylated spirits you put on your hind will soon disappear. If you prevent runoff, it will still disappear. Where does it go? Easy, it evaporates. It changes state and will turn into a gas. Has it reached boiling point in order to do this? No! At least I cannot see it boiling. The body temperature of a healthy human being is 37.5C (99.5F). So it would seem that the heat of the human body into which this methylated spririts is in contact is insufficient to bring it to the boil. So why does the methylated spirits evaporate at only 37.5C? The methylated spirits does not need to be raised to boiling point in order to evaporate, it just needs the application of considerable amounts of heat energy and it gets it from your body heat. That's why your hand feels cold, its heat is being removed from the area of contact more quickly than your blood flow can replace it. QED, it is the amount of heat energy applied to the methylated spirits that determines the rate of evaporation, not the absolute temperature of the methylated spirits itself. The same principle applies to water. Methylated spirits demonstrates the principle better than water as you can definitely feel the heat being removed from your skin. Have a look at this Wikipedia entry; http://en.wikipedia.org/wiki/Latent_heat If you're feeling brave, look at this one; http://en.wikipedia.org/wiki/Enthalpy_of_vaporization -- Krypsis |
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On Sat, 03 Mar 2012 19:27:48 +1100, Krypsis >
wrote: >On 3/03/2012 9:42 AM, Brooklyn1 wrote: >> On Fri, 02 Mar 2012 17:06:01 -0500, > wrote: >> >>> Krypsis wrote: >>>> >>>> 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? >>> >>> And what's up with a "steamy bathroom" after taking a long shower? ![]() >> >> That would be fog and condensate... were steam exiting your shower >> head you'd be dead. It's fine to take poetic license by using "steam" >> as a euphemisn as in steamy sex but not when trying to be precise with >> heating water. > >Let's try this again... > >What is condensate if not steam that has been condensed? Terlit condensate is from hot tap water vapor, and yer hot shit/**** (which you're full of), there is no steam in terlits. If your hot water heater were to build up a head of steam your house would blow up. Domestic hot water heaters don't even come close to boiling water. Just because pinheads call visible water vapor steam doesn't make it so, only proves they are uneducated. Learn he http://www.spiraxsarco.com/resources...t-is-steam.asp |
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On 4/03/2012 12:40 AM, Brooklyn1 wrote:
> On Sat, 03 Mar 2012 19:27:48 +1100, > > wrote: > >> On 3/03/2012 9:42 AM, Brooklyn1 wrote: >>> On Fri, 02 Mar 2012 17:06:01 -0500, > wrote: >>> >>>> Krypsis wrote: >>>>> >>>>> 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? >>>> >>>> And what's up with a "steamy bathroom" after taking a long shower? ![]() >>> >>> That would be fog and condensate... were steam exiting your shower >>> head you'd be dead. It's fine to take poetic license by using "steam" >>> as a euphemisn as in steamy sex but not when trying to be precise with >>> heating water. >> >> Let's try this again... >> >> What is condensate if not steam that has been condensed? > Think about how water evaporates from a puddle. Do you see clouds of fog? No. The puddle of water is not at 100C however water molecules are gaining enough energy to escape from the liquid state to the gaseous state. They have a lot less energy than the gas evolved at 100C but they are still gas. Ergo, rather than use the term steam, I should have used the phrase, "H2O in its gaseous state". -- Krypsis |
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On Sun, 04 Mar 2012 00:40:22 +1100, Krypsis >
wrote: >On 3/03/2012 11:42 PM, Ed Pawlowski wrote: >> On Sat, 03 Mar 2012 19:27:48 +1100, > >> wrote: >> >> >> >>> >>> Let's try this again... >>> >>> What is condensate if not steam that has been condensed? If you have >>> condensate on the walls of your bathroom after having a shower, how did >>> the condensate get there? Was it a "miracle"? >> >> >> It sure was not from steam. To make steam, water has to be heated to >> a minimum of 212F at sea level. Steam is invisible, a vapor. When we >> "see" steam, it is really vapor mixed with the condensate. > >So pray tell how evaporative cooling works? They sure as hell don't boil >the water in those systems yet they cool through latent heat of >evaporation. Something's evaporating in them and it's my guess it is the >water. You can have evaporate cooling with no steam and no boiling. >>> >>> Now, let's look at fog. Fog is technically water vapour which has >>> condensed. Been down to the river lately. Go down there on a cool >>> morning sometime just as the sun is rising. You will see "fog" rising >>>from the water. This fog is just condensate. It was given off from the >>> surface of the water as steam or water vapour if you prefer. >> >> Half right. No steam in the river. Have you ever seen a river boil? >> >Latent heat of evaporation again. But that does not mean it was steam. Water evaporates just sitting in a bucket, or pour on the sidewalk, etc. No steam involved. > >Have you ever poured a little methylated spirits onto the skin of your >hand? Noticed that your hand suddenly begins to feel cold? Do you know >why that is? Yes, and it sure as hell is not steam. > >The boiling point of methylated spirits (denatured alcohol) is very >close to that ethanol which is 78 °C (172 °F). It has a lower boiling >point than water but not by all that much in the general scheme of >things. The methylated spirits you put on your hind will soon disappear. >If you prevent runoff, it will still disappear. Where does it go? Easy, >it evaporates. It changes state and will turn into a gas. Has it reached >boiling point in order to do this? No! Exactly, but it is not steam. >Have a look at this Wikipedia entry; > >http://en.wikipedia.org/wiki/Latent_heat > >If you're feeling brave, look at this one; > >http://en.wikipedia.org/wiki/Enthalpy_of_vaporization If you are brave, look up steam. There is a difference between vaporization and steam. You seem to think they are the same, but they are not. |
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On Sun, 04 Mar 2012 01:08:35 +1100, Krypsis >
wrote: >Think about how water evaporates from a puddle. Do you see clouds of >fog? No. The puddle of water is not at 100C however water molecules are >gaining enough energy to escape from the liquid state to the gaseous >state. They have a lot less energy than the gas evolved at 100C but >they are still gas. Ergo, rather than use the term steam, I should have >used the phrase, "H2O in its gaseous state". Hey, now you are catching on. Calling it steam is spreading misinformation. |
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On Sun, 04 Mar 2012 01:08:35 +1100, Krypsis >
wrote: >On 4/03/2012 12:40 AM, Brooklyn1 wrote: >> On Sat, 03 Mar 2012 19:27:48 +1100, > >> wrote: >> >>> On 3/03/2012 9:42 AM, Brooklyn1 wrote: >>>> On Fri, 02 Mar 2012 17:06:01 -0500, > wrote: >>>> >>>>> Krypsis wrote: >>>>>> >>>>>> 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? >>>>> >>>>> And what's up with a "steamy bathroom" after taking a long shower? ![]() >>>> >>>> That would be fog and condensate... were steam exiting your shower >>>> head you'd be dead. It's fine to take poetic license by using "steam" >>>> as a euphemisn as in steamy sex but not when trying to be precise with >>>> heating water. >>> >>> Let's try this again... >>> >>> What is condensate if not steam that has been condensed? >> > >Think about how water evaporates from a puddle. Do you see clouds of >fog? No. The puddle of water is not at 100C however water molecules are >gaining enough energy to escape from the liquid state to the gaseous >state. They have a lot less energy than the gas evolved at 100C but >they are still gas. Ergo, rather than use the term steam, I should have >used the phrase, "H2O in its gaseous state". Visable water vapor is NOT water in its gaseous state... visable water vapor is water that has precipitated out of it's gaseous state. I strongly suggest you educate yourself by repeating JHS science, if you ever got as far as JHS, which I seriously doubt. I'm now done with you. |
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