why are some pieces of iron more magnetic than others?

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Answered: Why don't magnetic access cards/key cards erase credit cards?

The stripe on the back of your credit cards is made of mylar tape and ferrite powder. It requires a powerful magnetic pulse to re-orient the individual ferrite particles. The pulse must also be directed in an extremely narrow beam, with the card moving at a specific rate while the ferrite granules ...

Answered: How are magnets made?

We actually make four types of magnet, each intended for specific use: DC Electromagnet. The most basic variety of this sort of magnet is made by simply wrapping a steel core (an ordinary nail) with 22 gauge insulated wire. Powered with an ordinary flashlight battery, this basic electromagnet ...

Answered: Where can i found an autism hello kitty magnet for my car?

You can find all kind of magnets and sizes at - cafepress.com - you can get a car size magnet, that you can make yourself too. (instructions are self explanatory). You can also get a car magnet at - vistaprint.com - and different sizes, even large/door-size magnet of 'Hello Kitty' good luck ...

Answered: What are the magnetic fields in a container with water and magnetic bar

Isolated agitation systems use bar or disc magnets and a rotating electromagnetic field beneath a closed vessel. These systems are needed with extremely corrosive products, products that must maintain exceptional purity, and products stored at very high pressure, where packing glands may not ...

Answered: Magnetabs small magnets on peice of tape used for painful joints

Hey, DUHDddddave, did you send Sparkys Mom a larger therapeutic magnet.

Answered: What is the value of magnetic field due to magnetic shell?

Jagdish, I can see that you have a great deal to learn about magnetism. It is an essential field of physics. If you would like I can tutor you through the basics: ferromagnets, electromagnets, paramagnetism, and diamagnetism. There is much more to learn but we best learn it a step at a time. To ...
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I've heard that magnetic bracelets can help with arthritis in the wrist

I have never seen any scientific evidence that magnetic bracelets work.

The Magnetic Personality is a tutorial book?

A person with a truly magnetic personality does not have to be the "life of the party" or the "class clown" in order to attract attention. Instead, he or she may say very little in the way of idle conversation or chit-chat. What a person with a magnetic personality does best is make everyone he or ...

Magnetic clasp

Hi, ----------- Yes, you can try to make the magnet stronger simply by magnetizing it (put it through a magnetic field). It depends what it is made of (materials) and if it is saturated or not. ------ Best regards,

What are the effects of ingesting to much iron ...

If you are Caucasian, your skin will turn yellow and perhaps even the whites of your eyes. The color is not permanent. Also, your stool will be black for awhile, but that too will dissapate.