Sifting through experiments and the observations of a great many Hum sufferers has produced a result which was completely unexpected and no doubt will be extremely controversial.
Over the years there have been many attempts to detect the Hum but there is no evidence to show it has an acoustic cause, likewise, there is no evidence to show the cause is a radio wave or a magnetic or an electric field, therefore, no matter how improbable it may seem, there must be some other cause.
Among the many statements from sufferers, three are most significant.
1/ The Hum can be modulated by sharp movements of the head, and by quickly climbing and descending stairs or walking in a sharp manner, in fact anything that involves sharp movements.
2/ The Hum can be moderated by pressing hard on the soft tissue of the ear
3/ That many Hum sufferers experience nausea, a symptom akin to travel sickness, also they find sitting is preferable to laying down
These are all indications that the perception of sound is coming from the inner ear, the semicircular canals, the organs which detect motion and Gravity.
It is also evident that buildings play a dominant role in the perception of the Hum, the size, shape and materials of construction all effect the hum level, indeed, without the presence of a building some people do not hear the Hum at all.
We now arrive at the somewhat startling notion that the national power grid is modulating the gravitational field and that this modulation can be detected in the inner ear of some individuals.
This would also explain why all attempts to block or screen the Hum have failed for as far as is known, it is not possible to block a gravitational field.
Finding a means of protection now appears to be a daunting task, but the next stage is to establish why the effect is so much stronger inside buildings.

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