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It’s big, it’s old and it lives under the sea… speaking of water. . . . .
Posted: 07 February 2012 03:41 PM   [ Ignore ]
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Always happy to oblige, and I won’t even do it on an AGW related topic, though I’ve got plenty of them stored up  tongue wink

George - 07 February 2012 01:15 PM

Today is the Sophie’s Choice day on our forum: it’s between 9/11 conspiracy, the envelope problem, and sports. Can somebody start a new thread on something else?  long face

Cool stuff and I didn’t even have to go far to find it.

Just imagine it. . . . . . . our oldest common ancestor.  cool smile

Ancient Seagrass Holds Secrets of the Oldest Living Organism On Earth

ScienceDaily (Feb. 7, 2012) — It’s big, it’s old and it lives under the sea—and now an international research collaboration with The University of Western Australia’s Ocean’s Institute has confirmed that an ancient seagrass holds the secrets of the oldest living organism on Earth.

~ ~ ~ ~ ~ ~ ~
edited title, figured it was time to reflect the direction this post went   cool smirk

[ Edited: 13 February 2012 06:53 AM by citizenschallenge.pm ]
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Posted: 07 February 2012 04:13 PM   [ Ignore ]   [ # 1 ]
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Interesting but not fun. What else do you have, CC? long face

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Posted: 07 February 2012 04:41 PM   [ Ignore ]   [ # 2 ]
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George - 07 February 2012 04:13 PM

Interesting but not fun. What else do you have, CC? long face

Oh and now he want’s FUN…

DeadMonky where the hell are you   angry

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Posted: 07 February 2012 04:46 PM   [ Ignore ]   [ # 3 ]
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Well this ain’t fun either but I came across it today and I’m stumped.

Seems to me distilled water is as pure as it gets it.
Best stuff to use in car batteries, well at least the old one’s that we needed to keep tapped up.

Why do fancy espresso machines and irons warn NOT to use distilled water?

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Posted: 07 February 2012 04:52 PM   [ Ignore ]   [ # 4 ]
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Because it’s more corrosive.  The hard water at the surface of the heating elements boils away leaving a thin, chalky skin of dried minerals that protect that metal from rapid corrosion.

Occam

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Posted: 07 February 2012 05:39 PM   [ Ignore ]   [ # 5 ]
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Well shoot, I thought we’d found proof of Cthuthlu.

smile

Take care,

Derek

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Posted: 07 February 2012 06:27 PM   [ Ignore ]   [ # 6 ]
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harry canyon - 07 February 2012 05:39 PM

Well shoot, I thought we’d found proof of Cthuthlu.

smile

Take care,

Derek

DeadMonkey the Cthuthlu??  ohh  No wonder the bugger has become so illusive   cool hmm

Occam. - 07 February 2012 04:52 PM

Because it’s more corrosive.  The hard water at the surface of the heating elements boils away leaving a thin, chalky skin of dried minerals that protect that metal from rapid corrosion.

Occam

Well that makes sense!  cheese  Why didn’t I think of that… well actually I got a guess why… but won’t get into that  oh oh

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Posted: 07 February 2012 06:48 PM   [ Ignore ]   [ # 7 ]
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citizenschallenge.pm - 07 February 2012 06:27 PM
Occam. - 07 February 2012 04:52 PM

Because it’s more corrosive.  The hard water at the surface of the heating elements boils away leaving a thin, chalky skin of dried minerals that protect that metal from rapid corrosion.

Occam

Well that makes sense!  cheese  Why didn’t I think of that… well actually I got a guess why… but won’t get into that  oh oh

I still don’t understand. I thought distilling removed the minerals from the water?

Take care,

Derek

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Posted: 07 February 2012 06:55 PM   [ Ignore ]   [ # 8 ]
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Since distilled water doesn’t containt any minerals, it’s more corrosive. The minerals are the good guys. (At least that’s how I understand Occam’s explanation.)

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Posted: 07 February 2012 07:12 PM   [ Ignore ]   [ # 9 ]
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You’re right, George. 

Occam

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Posted: 07 February 2012 08:14 PM   [ Ignore ]   [ # 10 ]
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Occam. - 07 February 2012 07:12 PM
George - 07 February 2012 06:55 PM

Since distilled water doesn’t containt any minerals, it’s more corrosive. The minerals are the good guys. (At least that’s how I understand Occam’s explanation.)

You’re right, George. 
Occam

OK, it makes sense to me.
But, now I’m trying to figure out why distilled water was recommended for them old style batteries?
Or what was it about them that kept the corrosive effect from damaging the metal plates?

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Posted: 07 February 2012 11:59 PM   [ Ignore ]   [ # 11 ]
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George - 07 February 2012 06:55 PM

Since distilled water doesn’t containt any minerals, it’s more corrosive. The minerals are the good guys. (At least that’s how I understand Occam’s explanation.)

Huh… Okay, so why is that?

Take care,

Derek

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Posted: 08 February 2012 06:46 AM   [ Ignore ]   [ # 12 ]
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harry canyon - 07 February 2012 11:59 PM
George - 07 February 2012 06:55 PM

Since distilled water doesn’t containt any minerals, it’s more corrosive. The minerals are the good guys. (At least that’s how I understand Occam’s explanation.)

Huh… Okay, so why is that?

Take care,

Derek

Why is what?

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Posted: 08 February 2012 07:18 AM   [ Ignore ]   [ # 13 ]
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citizenschallenge.pm - 07 February 2012 08:14 PM
Occam. - 07 February 2012 07:12 PM
George - 07 February 2012 06:55 PM

Since distilled water doesn’t containt any minerals, it’s more corrosive. The minerals are the good guys. (At least that’s how I understand Occam’s explanation.)

You’re right, George. 
Occam

OK, it makes sense to me.
But, now I’m trying to figure out why distilled water was recommended for them old style batteries?
Or what was it about them that kept the corrosive effect from damaging the metal plates?

1.) It’s a basic of electricity, CC. Water conducts electricity only through its ions. Distilled water has no ions and hence it cannot conduct electricity.

2.) But the Water in a lead acid battery is mixed with sulfuric acid so that it CAN conduct electricity through acidic ions (HSO4-) and hydrogen ions (H+).

3.) Tap water will work in lead-acid batteries, but the additional ions typically found in tap water muck up the nice chemical reaction lead-acid batteries are designed for so the life of the battery decreases.

Regarding corrosion, this is simply a matter of equilibrium. If water has no ions, it “wants” some, so it will rob them from things like metal.

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Posted: 08 February 2012 12:23 PM   [ Ignore ]   [ # 14 ]
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George - 08 February 2012 06:46 AM
harry canyon - 07 February 2012 11:59 PM
George - 07 February 2012 06:55 PM

Since distilled water doesn’t containt any minerals, it’s more corrosive. The minerals are the good guys. (At least that’s how I understand Occam’s explanation.)

Huh… Okay, so why is that?

Take care,

Derek

Why is what?

Traveler answered it. (What I meant was “Why are the minerals the good guys.”)

Take care,

Derek

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Posted: 08 February 2012 01:41 PM   [ Ignore ]   [ # 15 ]
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harry canyon - 08 February 2012 12:23 PM

...What I meant was “Why are the minerals the good guys.”

Derek

And that’s a good question. Minerals are not generally the good guys (except perhaps biologically).

In the context of espresso machines, I found THIS. (Says the water is used to conduct elect.)

And for irons, I found THIS. (Says to alternate distilled and tap if tap is high mineral content.)

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