Poles, Magnetic and Geographic
Many people do not realize that there are several different "north poles." The most familiar is the north geographic pole. The north magnetic pole is not t...
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Magnet
The black isometric mineral, magnetite, is among the most abundant of the Earth's minerals and can be found in beach sand, in meteorites, and in the natural abrasive emery. The naturally magnet...
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Magnetic Poles
Magnetic poles are the positive and negative sides of a magnetic system. Unlike electric charges, which can be separated into positive charges that have no corresponding negative charge...
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Magnetic Pole
The knowledge that some rocks, such as lodestone, could attract iron has been attributed to the ancient Greek philosopher Thales. He had no explanation for the phenomena; he merely noted...
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Magnetic Separation
An on-going problem of environmental significance is solid waste disposal. As the land needed to simply throw out solid wastes becomes less available, recycling becomes a greater p...
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Figure 1. Electromagnetic suspension: two views.
Magnetism and Magnets
Magnetism is the phenomenon in which iron is attracted to a natural material called lodestone, the properties of which are...
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Poles, Magnetic and Geographiac
Magnet
Magnetic Poles
Magnetic Pole
Magnetic Separation
Magnetism and Magnets