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Old 09-06-2010, 09:38 PM   #31
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I think it's measured in milligauss
Gauss (unit) - Wikipedia, the free encyclopedia

Ambient emr that is.

And no lol. It's perfectly safe. The earth emits a constant amount of emr on the magnitude of several thousand times more than most home appliances (although it's more prevalent near fault lines and is largely dilute). Research from NASA indicates that without the natural EMR on earth we often have trouble with equilibrium and may experience nausea. Thus, astronauts are equipped with strong magnets when they go to space.

Anyways. No I don't think you are in any danger. Using a cell phone is probably more likely to give you cancer than a spinning magnet. Remember ALL electric motors work on the same principle of inverting magnetic fields. A toy car or electric fan probably emits the same amount of EMR.

From the wiki article:
One thing you should explain to your mother is that there are many frequencies of electromagnetic radiation.

They span from low frequency infrared to UV to X-Ray to Gamma. Two of them are carcinogenic. Gamma radiation will not hurt you. It will go right through you and cook you if in high enough doses. The term "radiation" is tossed around too lightly. Any type of dispersed energy that doesn't require a physical medium to travel in can be called radiation.

The "radio-active" radiation people talk about is really free neutrons and protons. That is what comes from nuclear reactors. As heavy material decays it sends off neutrons and protons and when they collide with our cells, to put things simply, mess them up at the molecular level.

Energy =/= radio-active particles.

The frequencies at which most our appliances operate are not dangerous. Suffice to say it is pretty well proven that super-high doses of certain radio frequencies aren't good for you...But considering that many of us have probably spent a good while next to an electric fan (which operates on the same principle as the motor in the filter) you are in no danger of radiation poisoning. Finally, about hairloss. Ask your doctor about it. It could be something else.

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Old 09-07-2010, 08:58 PM   #32
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According to Wiki, home EMR is usually measured in nanoTesla, which is 0.01 milliGauss. <1 Tesla = 10000 Gauss>

If that was the unit used, even 1000 nT is tiny compared to the earth's own field .... so really, no worries here.

80 gal FW with 30 gal DIY wet/dry/sump.
9 fancy golds, 1 hillstream loaches, 1 rubber-lip pleco (C. thomasi), 3 SAEs, small school of white cloud minnows, planted.
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Old 09-08-2010, 06:30 AM   #33
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Alright, maybe if we knew what the unit was used, we wouldn't be freaking out about the electric motor. Thanks for the info.

Originally Posted by Deep Seven View Post
Hey Temp . I'm going to go out on a limb here and guess NTD stands for New Taiwan Dollar, which would put you somewhere in or around Taiwan . If I'm wrong, then what does NTD stand for?

Just following along from Canada wishing you the best in your aquarium adventures.
Yes, NTD stands for New Taiwan Dollars, and I'm in Taiwan. The location should pop up at the side... And thanks for the compliment.
Please look to the left (<--) for the tank information.
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Old 09-16-2010, 03:43 PM   #34
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Guys, let me put this to rest. I worked with environmental radioactive samples. Even working in those situations for 50 some years, your life expectancy is only like a day less. You can get exposed to plenty of radiation a day and not lose any sleep over it. How much do you think you're exposed to when you're sitting under fluorescent lights all day? Or even out in the sun? The truth is, you're putting yourself at MORE risk driving to work every day than you are with the normal amount of radioactive exposure every day. Just a fun fact, if I remember correctly, every 25 miles you drive, you have a 1/1,000,000 chance of dying. Another fun fact. Did you know that single men have about 1000 less days in their life expectancy than married men do? Weird hu?

You'll be fine. Don't worry about it.
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Old 09-28-2010, 10:00 AM   #35
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would someone just buy this kid a 10gal full setup and ship it to Taiwan already?!
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Old 09-28-2010, 10:58 AM   #36
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Are you volunteering?!
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Old 09-28-2010, 12:07 PM   #37
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Originally Posted by meegosh View Post
Are you volunteering?!
ill cover the tank, hood, light and basic filter... someone else wanna step forward and cover the shipping?
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Old 09-28-2010, 12:49 PM   #38
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Does it have to arrive in one piece

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filter, water filter

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