Re: [ot] Sonic Devices

Or just ask lotus (the car people). They have designed a system that can
be
fitted to cars that uses a set of microphones and broadcasts through
speaker
a inverse sound wave to the incoming one that cancels the original wave,
resulting in peace and quite (or in another bit, could make even a ford
4
cldr engine sould like a porche flat 6).

BIF
(probably getting the terminology wrong)

----- Original Message -----
From: Oerjan Ohlson <oerjan.ohlson@telia.com>
To: <gzg-l@csua.berkeley.edu>
Sent: Thursday, March 21, 2002 5:52 AM
Subject: Re: [ot] Sonic Devices

> Richard Kirke wrote:
>
> >Well, to use a sonic device to cause real damage, you need something
that
> >would resonate (vibrate at a specific frequency); this way the
maximum
> >sonic (kinetic, but sonic sounds cooler) energy eventually casuing
> >problems for the crew/holder, and eventualy breakage.
> 3) All sorts of different parts of a vehicle *have* different resonant
> frequencies. If they don't, the vehicle will be pretty intolerable to
drive
> due to high noise levels, and in bad cases even risks shaking itself
apart
> simply by driving around.
>
> Regards,
>
> Oerjan
> oerjan.ohlson@telia.com
>
> "Life is like a sewer.
>   What you get out of it, depends on what you put into it."
> -Hen3ry
>