Quote:
On 2002-06-04 23:15, uralph wrote:
The second reply to this theory is wrong. Electric magnetic fields can be attenuated by other electromagnetic fields and their frequency changed. try the experiment of sending a radio wave thru an electromagnetic field of a toroid and you will see a change in power and frequency of the wave you sent thru the toroid. Its basic electronics. But in a device as the author of this theory has written the affect will clean space and allow you to pass thru. Also a strong magnetic fields will absorb other magnetic fields and there energy when they contact one another.
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It's not basic electronics, it would be magic. In linear media, electromagnetic fields will not effect other electromagnetic fields, and space is very linear. This is known as superposition, this concept is extraordinarily useful in the solution of Maxwell's equations and other linear diferential equations. In nonlinear media the fields will interact but this is not the case here.
For your toroid example, RF beam passing through the center of toroid will not effect the beam. Now illuminating the entire toroid, that is different. EM fields will couple to the toroid and depending on your windings and the core material (is it nonlinear?) the current induced in the windings may be of different frequency. However if the windings are tight, and they typically are, this will effectively shield the toriod's core from external RF and the induced current will be of the same frequency as the incident EM field since there would be no nonlinearity.
The important thing is the fields from different sources will behave linearly in space. Hence, you could not use the fields from the toriod like a Hoover and suck in electromagnetic fields. Any electromagnetic fields that were naturally incident on the toriod you may be able to "capture".