Archive for the ‘Gps’ Category
Sunday, July 27th, 2008
Low Jeremy asked: Thanks to physicists, the theory of electromagnetism has been discovered and its principles are now being put to good use in the form of metal detectors.At the basic level, metal detectors are pretty simple. What it has is a coil that produces alternating current that in turn ...
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Thursday, July 17th, 2008
Low Jeremy asked: Metal detectors are interesting pieces of technology. They have a variety of uses and have become even more versatile throughout the years. Ever since the first metal detectors came out in the 19th century, scientists and engineers never stopped working on better and more efficient designs.Nowadays, there ...
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Saturday, May 31st, 2008
Low Jeremy asked: A compass is an instrument used for navigation. It helps one find one's bearing in relation to the four cardinal directions based on the ability of the compass' needle point to align itself to the earth's north. The compass uses magnetism and the principles of electromagnetism to ...
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