[Noisebridge-discuss] Anti-Wi-Fi paint

jim jim at well.com
Tue Oct 6 08:10:13 UTC 2009


   depends on the metallic paint. silver works better 
than copper, as over time they both oxidize, but 
oxidized silver seems to retain its conductivity 
better than oxidized copper., 
   note that neither works unless the coating is 
properly grounded. 



On Tue, 2009-10-06 at 00:57 -0700, Rich Gibson wrote:
> To be a little clear...I believe that metallic paint does in fact have
> physical properties including the ability to you know, block radio
> waves.
> 
> I just think these product claims are bogus...
> 
> On Tue, Oct 6, 2009 at 12:17 AM, Mark Cohen <markc at binaryfaith.com>
> wrote:
>         Yeah, 
>         
>         
>         This smells like a hoax. 
>         
>         
>         I'd love to see someone put a nice plastic container of that
>         paint into the microwave to see what happens. :)
>         
>         
>         If people are really concerned with wifi blocking, just
>         install chicken wire fencing around the place.. (lath plaster
>         walls in SF make REALLY good faraday cages.)
>         
>         
>         /Mark
>         
>         
>         On Oct 6, 2009, at 12:06 AM, Rich Gibson wrote:
>         
>         > Thoughts?   Did somebody prank the BBC?
>         > 
>         > 100 gigahertz?  Is there any science literacy anywhere?
>         > 
>         > stooopid fockers.
>         > 
>         > On Mon, Oct 5, 2009 at 11:28 PM, Sai Emrys
>         > <noisebridge at saizai.com> wrote:
>         >         http://tech.yahoo.com/blogs/null/151779
>         >         http://news.bbc.co.uk/2/hi/technology/8279549.stm
>         >         http://aquantumofscience.blogspot.com/2009/10/wifi-proof-paint.html
>         >         http://pubs.acs.org/doi/abs/10.1021/ja807943v
>         >         http://www.chem.s.u-tokyo.ac.jp/users/ssphys/english/thesise.html
>         >         
>         >         Thoughts?
>         >         
>         >         - Sai
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