[Cryptography] jammers, nor not

[grarpamp]

On Tue, Feb 28, 2017 at 10:19 AM, Jonathan Thornburg
<jthorn4242 at gmail.com> wrote:
> On Mon, Feb 27, 2017 at 05:21:12PM -0800, Ron Garret wrote:
>> Wrapping your gadgets in aluminum foil should be pretty effective
>> at (ahem) foiling their attempts to contact a wifi hub.
>
> Unless your entire home is wrapped in aluminum foil (including
> rf-blocking coatings on all windows (permanently closed!)), it's hard
> to *use* a {printer, refrigerator, washing mashine, coffee maker, ...}
> while said object is wrapped in aluminum foil. :)

A single layer of do it yourself aluminum foil is inexpensive,
perhaps about 1% at time of construction. Even if windows are
skipped, perhaps it would mitigate some driveby attacks such as...?
http://www.bing.com/search?q=wall+penetrating+radar
Add in some cheap rolldown foil over cloth window shades or
plywood shutters and maybe the residents would enjoy quite
pre-industrial RF free sleeping hours?
This seems easily pilot testable and marketable to both health
and spy type of customers.