On 11/09/2007, Peter Todd <pete@petertodd.ca> wrote:
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> On Tue, Sep 11, 2007 at 01:26:01AM +1000, Tony Smith wrote:
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>
> If you want to get all worked up go sit in on a talk by Magda Havas.
> She's been doing "research" on what she calls "dirty power" and giving
> talks about it. She's claims that poor power quality, noise on the power
> lines, causes many health problems. Fortunately it's easy to monitor and
> measure with expensive glorified panel meter devices and then fix with
> expensive power line filters that are conveniently sold by companies
> with representatives who also attend the talks. "Completely independent,
> no kickbacks! Just doing this because I care!"
>
> She was invited to talk at my school a few months ago after a teacher
> got the idea that poor power quality was making her sick. She got the
> school to buy some of the power meters and power line filters. She
> wasn't so impressed when during a panel discussion on the subject I
> pulled the devices apart to show students how they worked, and hooked up
> an oscilloscope to the AC power to show exactly what the AC looked like
> before, clean sine wave with a slight bit of fuzz, and after, clean sine
> wave with a bit less fuzz, the power filters were plugged in.
>
> What really pissed me off about the whole thing was how her research has
> been, to date, based on a few non-blinded studies where the participants
> knew very well when the filters were and were not installed. Nothing she
> should be giving alarmist public lectures about, especially ones that
> have suspicious ties to businesses. Her university should be ashamed of
> itself, she isn't even tenured.
>
> - --
> http://petertodd.org
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And then there's this sort of thing -

<http://www.theregister.co.uk/2007/09/10/wifi_warning_german/>

RP
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