Our five senses are refined to work in a narrow band of frequencies. The human nervous system is the most advanced thing in the known universe. It works like an antenna. Sensitive people have learned to expand the range of the senses. Emotions run at much higher frequencies yet most people when they walk into a room can sense if there has been an arguement, just for an example.
The balloon and styrofoam example doesn't need a scientist to "prove it", nor do the rods in the hands of an experienced person.
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