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quote:My next idea might sound crazy, but we do know that many living organisms are actually able to sense electric fields (some sharks are particularly good at this, being able to sense the electrical impulses the nerves send to muscles, and use this sense in hunting prey). Is it possible that some people have a degree of sense of electric fields?
quote:Originally posted by chrisElectricity and magnetism are linked. Hence we use the term 'electromagnetic radiation' to describe a radio wave. In this instance a changing electrical field creates a changing magnetic field by distoring space-time, and the changing magnetic field then creates an electric field and so on. The effect propagates as a wave - in other words an electromagnetic wave.But your ears are not tuned to this kind of wave. Instead our ears detect mechanical displacements - or vibrations - which the cochlea (inner ear) converts into electrical signals that the brain can understand. Therefore, to be hearing strange sounds coming from near your bed, there must be something vibrating close by.
quote:Originally posted by another_someoneCan we say with certainty that the human body cannot detect the presence of an alternating electric field in close proximity to a live mains cable? For the most part, I would suspect that the human brain could not interpret the sensation, and so generally ignores it; but I could well imagine that some people's brains may interpret the sensation in terms of sound, even though it did not originate from the ears.
quote:Originally posted by Dashrashi Is it possible for electrical wires to make a sort of chittering sound of their own accord? Or do I just have very fearless mice?