RE: Anecdotal Tesla Story?

[Terry Fritz <twftesla-at-xxxxxxxxxx>]

Hi Sarah,

At 11:34 AM 11/1/2000 +0000, you wrote:
>
>> I think I recall reading this in the book "Tesla: Man Out of Time."  I
>> no longer have the book, so I'm not sure of it's title, and I have no
>> idea whether the story is true or not.  If I remember correctly, the
>> platform simply vibrated.
>
>The vibration idea is probably true. I had a similar experience myself
>several years ago, in a 'past life' working as a sound engineer. The studio
>I was using had some *very* large speakers, whose response reached down
>substantially below 20hz. I was working on a mix for a track that had some
>seriously thwompy bass, created by tuning several synthesizers octaves apart
>to create subharmonics. Anyway, I worked out later that some of those
>subharmonics would have been at around the 8 - 14hz frequency range. I was
>mixing quite loud, and it was indeed creating an 'elated' feeling. After
>half a day or so, however, I was taken ill. It felt like a cross between
>extremely bad motion sickness and a bad stomach bug - it took me out for
>something like three days. A couple of weeks later, I did some more work on
>the same track, and ended up with identical symptoms, and another 3 day
>absence.
>
>The effect is definitely real, and *not* nice. At that point, I started
>using a 20hz filter on the crossover driving the monitor speakers - the
>problem never happened again.
>
>Sarah
>

Such effects are well known.  There have been devices studied/made for
police that used low frequency sound waves as a non-lethal way subdue
deranged individuals.  They work on the digestive tract to "detract" the
person...

Hmmmm.  This one is getting off-topic isn't it :O

Cheers,

	Terry