Magnetic Field
Earth acts as though it were a huge dipole magnet with the positive and negative poles near the North and South Poles. This does not mean that Earth is literally a dipole magnet—...
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Magnetic Fields and Forces
Magnetic fields are produced by magnetism, the flow of electric charge, or fluctuating electric fields. In the first case, the magnetic field can be described as a region ar...
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Magnetic Properties of Matter
Magnetism is a property of matter and it occurs in different forms and degrees in various conductors and insulators. For example, at low temperatures, metallic systems ex...
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Magnetic Field
William Gilbert, who experimented with navigational compasses, suggested that the Earth itself was a great spherical magnet. This implied that Earth had a magnetic field which caused co...
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Electric and Magnetic Fields
Referred to as EMF, the fields of energy surrounding electric power wires and other current-carrying devices.
Electric power lines, household wiring, and appliances all ca...
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Japan's industrial safety agency will set up standards early
next year to protect the public from adverse health effects of
exposure to extremely low frequency magnetic fields that exist clos...
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THEATERNow that the Broadway strike is over, there’s going to be a mad rush for tickets and most of this weekend's shows will be sold out. But throw some elbows and get a good spot on line f...
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Hamburg (dpa) - The riddle of how migrating birds always find
their way north and south despite fog and bad weather may have been
solved by scientists in Germany who say tha...
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Hamburg (dpa) - German scientists have found iron minerals
contained in some birds' beaks which might serve as a magnetometer,
allowing the birds to use precise navigation. ...
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CHICAGO (Reuters) - U.S. researchers have developed
a magnetic sensor smaller than a grain of rice and sensitive
enough to detect a fetal heart beat, offering the potential for
a host of new medic...
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China names new top leadership
BEIJING - President Hu Jintao on Monday announced the names of
the eight men who will join him in China's new top leadership, in a
lineup that is ...
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Scientists think they have discovered the energy source of auroras borealis, the spectacular color displays seen in the upper latitudes of the Northern Hemisphere.New data from NASA's Themis missio...
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New observations from NASA's long-running Voyager 2 spacecraft show the solar system is asymmetrical, likely from disturbances in the interstellar magnetic field, scientists reported Monday.The dis...
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WASHINGTON (Reuters) - Portable media players such
as iPods are unlikely to interfere with heart pacemakers, a
Food and Drug Administration researcher reported
Thursday. His tests of a variety of ...
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Researchers have cracked a mystery at the core of Mercury _ and say there's molten fluid inside the tiny planet. They did it by using the same trick as cooks who want to know if an egg is raw or ha...
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Magnetic Field
Magnetic Fields and Forces
Magnetic Field
Electric and Magnetic Fields
Japan to safeguard public from effects of magnetic fields
