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magnetic field effects on H2O polarity
    #9300938 -

im curious... does anyone know how liquid water behaves on a planet without a magnetic field (mars)? since water molecules are polar and have a charge would they act different than water here on earth?

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Re: magnetic field effects on H2O polarity [Re: hazey]
    #9300970 -

I think the intermolecular forces would dominate most interactions rendering effects by the magnetic field negligible.  Im not positive, but I think thats right.

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Re: magnetic field effects on H2O polarity [Re: DieCommie]
    #9301057 -

this is why i asked: http://antwrp.gsfc.nasa.gov/apod/astropix.html

we could do infinite things us humans. we're doing negative things though.

if only we rose above our bullshit.

we have the technology and the adaptive resources for future technology to turn a martian ice sheet into:

drinking water / misc use liquid h2o
solar radiation shielding
nuclear energy/heat production
sustainable vegetative resources
sanitation
rocket fuel

hell, we could even produce a host of organic gasses by creating an artificial swamp enclosed in a structure designed to collect gasses like methane.

if there is water on mars, plenty of it for the taking, then we are historically ignorant for not caring much.

the cost of the entire iraq invasion/occupation by the u.s. could have easily funded everything i listed above, and in quick time too.

even the 700 billion 'bail-out' could get us well on our way to populating mars with a scientific community.

id sign up to leave this planet in a heartbeat.

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Re: magnetic field effects on H2O polarity [Re: hazey]
    #9301380 -

hazey said:
since water molecules are polar and have a charge would they act different than water here on earth?


Only if they were moving very fast.  Magnetic fields interact with moving charges, not static ones (the equation is qv X B, if v is 0, the force is 0).  Water is very slightly diamagnetic though, which allows for cool stuff like levitating frogs.  When talking about such weak fields as Earth's magnetic field and no significant relative velocity, the difference is 0 for all practical purposes.

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Re: magnetic field effects on H2O polarity [Re: ChuangTzu]
    #9301408 -

then to melt ice on mars is like melting ice on earth. simple.

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Re: magnetic field effects on H2O polarity [Re: hazey]
    #9301435 -

With magnets?

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Re: magnetic field effects on H2O polarity [Re: ChuangTzu]
    #9302178 -

Levitating frogs eh? Do tell.

I have some 73lb pull-force magnets and a frog. If I levitate him I'll get pics. :lol:

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Re: magnetic field effects on H2O polarity [Re: Gumby]
    #9302318 -

> I have some 73lb pull-force magnets and a frog.

You need a field strength of around 10 to 15 tesla.  See http://www.hfml.ru.nl/frog-ejp.pdf for some interesting details.

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Re: magnetic field effects on H2O polarity [Re: Gumby]
    #9302321 -

High-powered magnets inducing diamagnetic repulsion in water-filled tissue.

According to a youtube comment, winner of the 2000 IgNobel prize. Awesome.

Edit: and according to another youtube comment:

>holy heck I want a frying frog soooooo bad

Fuck there's some morons on that site.


--------------------
I know... that just the smallest
                                                part of the world belongs to me
You know... I'm not a blind man
                                                    but truth is the hardest thing to see

Edited by zouden (11/24/08 06:19 AM)

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Re: magnetic field effects on H2O polarity [Re: Seuss]
    #9303364 -

Yeah, I looked into it after I read that and decided it'd be pretty much impossible to make this frog float, he's a beast. Probably weighs somewhere around 200 grams.

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General Interest > Science and Technology
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