The use of electromagnetic resonance to distort space time

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Mcgilvrey007
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Is this a possibility?
 
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Electromagnetic resonance is a very useful phenomenon. The first thought that comes to mind is tuning radio receivers, though I imagine that one could consider related phenomenon such as lasers as examples of electromagnetic resonance.

The amount of energy momentum in an electromagnetic field is very small, however, so electromagnetism - resonant or not - doesn't seem to suggest a practical way to manipulate or distort space-time for human beings on Earth. A grain of sand would do much more to distort space-time than our most powerful broadcast transmitter, for instance - as the grain of sand carries considerably more energy. Energy and momentum, in the form of the stress-energy tensor, is what distorts the fabric of space-time according to general relativity.
 
Actually, Electromagnetic fields do not carry energy, they only ttransfer it. Electromagnetic waves do all the carrying.