Unfortunately I just read an article that talks about the benefit of
having the wings of small aircraft emit a 400 Hz tone to help prevent
stalling.
http://www.newscientist.com/article.ns?id=3Ddn7867
On Aug 17, 2005, at 4:53 PM, Ed Anson wrote:
> I just noticed a video clip on the BBC web site. It holds out some hope
> for mitigation of a major source of noise in our soundscapes:
> http://news.bbc.co.uk/2/hi/technology/default.stm
>
> If they could only do the same thing with cars and trucks!
>
> Ed
>
>
>
> "Microphones are not ears,
> Loudspeakers are not birds,
> A listening room is not nature."
> Klas Strandberg
>
>
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