MAGNETISM

Magnetism is all around us. Here you can find out how magnetism affects everything around you.

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Electromagnetism

Electromagnetism, the science that deals with the phenomena that result from the relationship between electricity and magnetism.

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  • How Magnets Work
    How Magnets Work

    Magnets are used in all kinds of applications, but do you ever wonder exactly why it sticks to certain metals? Find out the answer to this and other questions as we explore exactly how magnets work. See more »

  • What if I forgot to remove a piercing before an MRI?
    What if I forgot to remove a piercing before an MRI?

    The magnets found in an MRI machine are incredibly powerful. It can pull a stethoscope right out of a doctor's lab coat. So what would happen if you forgot to take out an earring? Ouch! See more »

  • Compass
    Compass

    Compass, in navigation, an instrument used to indicate directions. It ranks as one of the most important inventions ever made. See more »

  • Electromagnet
    Electromagnet

    Electromagnet, a device that has magnetic properties only when an electric current is applied to it. See more »

  • How to Make a Magnet Stronger
    How to Make a Magnet Stronger

    You need to make a magnet stronger, but you’re not sure how to do it. Learn about how to make a magnet stronger in this article. See more »

  • How to Make an Electromagnet
    How to Make an Electromagnet

    Make an electromagnet and show your children how fun science can be. Learn about how to make an electromagnet in this article. See more »

  • Magnetism
    Magnetism

    Magnetism. The most familiar form of the physical phenomenon called magnetism is the ability of certain objects to attract iron. See more »

  • Dip Needle
    Dip Needle

    Dip (or Dipping)Needle, an instrument used to measure the earth's magnetism and to detect underground magnetic materials. See more »

  • Electromagnetism
    Electromagnetism

    Electromagnetism, the science that deals with the phenomena that result from the relationship between electricity and magnetism. See more »

  • Magneto
    Magneto

    Magneto, an alternating-current generator that contains a permanent magnet. A magneto, unlike a generator that contains an electromagnet, requires no source of direct current for its operation. See more »

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