Mind reading/mind control

[Phil]

Indeed. Gain, in this context, is passive and is measured with respect
to a reference antenna such as a basic dipole.

The increase gain could well have been caused by room reflections (agree
with the previous email - this is very poor science) but could also have
been caused by the foil hat exhibing antenna gain at certain
frequencies. In the case of the latter, I would expect quite subtle
modifications to the shape of the hat to radically changes its frequency
response, blowing any conspiracy theory right out of the window.

Very good email group, btw.

--Phil
(another ex-teenage physicist)



On Wed, 21 Jun 2006 09:20:37 +0100, "Peter Tomlinson" <pwt@iosis.co.uk>
said:
> February date on the web page, so clearly not an April fool joke.
> 
> They cannot amplify, but might concentrate (as the dish aerial does with 
> satellite TV).
> 
> Peter
> 
> (I was a teenage physicist)
> 
> Owen Lewis wrote:
> > The link below is to an MIT empirical study into the attenuation of RF
> > emissions by aluminium hats. Contrary to expectations and despite the
> > testing of several different styles of that, it was discovered that,
> > regardless of design, the hats actually act as an amplifier rather than as
> > an attenuator at certain frequencies. This observation is common to all the
> > styles of hat tested. Also, the frequencies at which an increase in the
> > radiated power is observed are all either reserved for US military use or US
> > telecom.
> > 
> > http://people.csail.mit.edu/rahimi/helmet/
> > 
> > Owen
> > 
> > 
> > 
> > 
> 
> 
> 
-- 
  Phil
  somethingfishy@fastmail.fm

-- 
http://www.fastmail.fm - Or how I learned to stop worrying and
                          love email again