WEIGHING THE EVIDENCE

It has been shown from scientific sources that microwaves from UFOs could account for most physiological
responses of witnesses, except for such mundane matters as visual observation and hearing bullets ricochet. For the
senses of hearing, smell, taste, and feel, the formerly puzzling effects were traced to specific mechanisms that are
capable of producing them. Some interactions between microwaves and the sensory organs appear to be mysterious,
may be unknown to the general public or even experts in other fields, but are well-established facts. In addition,
much information was found to describe the interactions quantitatively. It should be helpful at this point to assemble
that data in Table 1 and analyze the various constraints imposed by the sensory physiology.
Scanning down the column of thresholds in Table 1 highlights the extreme sensitivity for hearing a humming
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sound at 0.012 mW/cm . It is little wonder that this response frequently causes the witness to look around for the
source and discover an object in the sky if he were not previously alerted by the family pet. The humming sound is
so consistently reported that the corresponding field parameters are considered to be typical. So a pulse rate of about
50 to 100 cycles per second is implied in accordance with the frequency of audio tones described as humming. That
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rate is well below the limit of 1,000 sec required for inducing metallic taste. In order for microwaves to be heard,
they must be between 200 and 3,000 MHz and have pulse widths between 1 and 100 microsec but probably between
10 to 40 microsec.
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The feeling of heat begins in the upper frequency ranges at 2 mcal/cm sec. But direct comparison with the other
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thresholds requires a conversion into compatible units leading to the equivalent value of 8,37 mW/cm sec. As this
threshold for feeling heat is about 700 times higher than that for hearing, it is no surprise that the sensation of
heating is restricted to short-range cases, whereas a UFO at a considerable distance can be heard. As pointed out
previously, the threshold for high-pitch sound, being some 22,000 times greater than for the hum, would endanger
the observer. No further evidence allowing determination of thresholds could be found.
As to the frequency of the radiation, there is a pattern of consistency. Whereas hearing requires frequencies of
200 to 3,000 MHz, paralysis implied approximately 3,000 while internal injuries require less than 3,000. All
frequencies are capable of producing high-pitch sounds, metallic taste, odors, heating of conductors, and electrical
shock. These effects, therefore, could all be generated within the frequency limits imposed by the humming sound.
On the other hand, something unique appears to be happening when shock waves are generated because they require
frequencies greater than 60,000 MHz to couple with the molecules in the atmosphere. A clue may be afforded by the
blue flash that was reported in two cases above, but this question is unresolved.