ES - Re: Absorption and Reflectivity

Re: Absorption and Reflectivity

Posted by BiBrun on
URL: https://www.es-forum.com/Absorption-and-Reflectivity-tp2109196p2111391.html

I'm still not sure why crumpled foil absorbs microwaves. Is it coupling
to vibrations causing ultrasound and heat, or is it generating harmonics
and reradiating at higher frequencies? Even that may be OK because
above a few GHz I think penetration beyond the skin is reduced.

On Sat, Dec 18, 2010 at 3:51 AM, <[hidden email]> wrote:

>
>
> thanks snoshoe
>
>
> In a message dated 18/12/2010 05:36:52 GMT Standard Time,
> [hidden email] <snoshoe_2%40yahoo.com> writes:
>
> Just ran across this, it might be of interest to people
> remodeling or adapting a living space. Figure out the wavelengths
> around and what would work to help reduce them. Impedence and such, a
> couple more related pages at the bottom:
>
> _
> http://www.marktaw.com/recording/Acoustics/AcousticsCrashCourse2-Ref.html_
> (http://www.marktaw.com/recording/Acoustics/AcousticsCrashCourse2-Ref.html)
>
>
> ~Snoshoe
>
> [Non-text portions of this message have been removed]
>
>
>

[Non-text portions of this message have been removed]

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