Or "grass cloth" - but it doesn't come off so easy.
I've seen "oil cloth" used as wall covering too, years ago. Come to
think of it I haven't even seen oil cloth on the market for years -
used to be common "table cloth" material.
I haven't played with wallpaper in years. When I was younger,
you went to the "wallpaper store". Rolls of wallpaper piled
up in much the same way that bolts of fabric are organized in
a fabric store. You looked at *the* product that you would
be taking home -- not a sample in a book/catalog.
I remember removing the old with a sponge down followed by "scraping"
behind it with a very wide scraper -- like a wide putty knife. The
adhesive on the wetted back was essentially the same as the "new"
adhesive that the replacement paper used (some sort of wheat paste;
But, I can't recall what it felt like. "Paper" is a misnomer...
On Wednesday, December 30, 2015 at 8:26:01 PM UTC-5, >>>Ashton Crusher wrote:
I noticed that the instruction sheet doesn't mention anything about cleanup of the
tools. They says that the dried up product can be disposed of with household waste.
They also say not to dispose of the product in the "sink, water or ground".
Are you expected to throw away all brushes, rollers and rags after use? Since they also
say to use the "best" rollers, etc. this project keeps getting more and more expensive.
Yes, it's expensive. The market is small, there are few "players"
and the folks who want/need it *need* it -- which tends to make
it a seller's market.
But, it's a relatively minor cost. Let's assume I'd need *100*
gallons (not!) for the job -- $30K of paint. OTOH, if it saves
me the time and expense of developing an alternative, "non RF"
technology, I'll have "saved" the expense of that effort, the
time required for it *and* the "lost opportunities" that the
effort incurred: $250K? $500K $1M??
You, no doubt, own a car. Why? Surely you can WALK to any place
that your car can transport you! How many pairs of shoes can you
buy for the $20/30/40/50+K you'll spend on the vehicle? Plus the
gas, maintenance, insurance, etc. Isn't that car an EXTRAVAGANCE?
Why not hail a cab if you don't feel like walking?
Ah, but *having* it affords you other opportunities that you
might not have, without it! E.g., you can now work farther
from home -- giving you greater choice in where you live (or
work)! You can shop at places other than those within
walking distance -- and can purchase more than two armfuls
of goods! Etc.
Do you use an expensive phone (plus phone plan) instead of
snail mail? Aren't you just paying a lot of money to save
Do you go out for meals instead of making them yourself?
You *know* you aren't saving any *time* -- as it takes
"them" just as long to prepare the food as it would "you"
and you still have to transport yourself to/fro as well
as *wait* to be waited on, served, pay, etc.
[I always chuckle when I see someone order a $10 bowl
Developing a product/device brings these sorts of time/cost
tradeoffs to the forefront. Save money? Or, save time??
We already have window treatments that could be adapted.
And, losses through unshielded openings (windows, doors)
are much less than those through omnidirectional radiation.
I.e., a transmitter has to be aligned with the opening
and the receiver -- as well as having sufficient power
to bridge the distance between.
Ceiling is a low risk as there's nothing looking down on us
(within a few sight-miles). If it became an issue, laying
wire mesh *on* the roof would be an effective and more
economical solution -- with practically zero cosmetic
implications (you can't *see* the roof unless you're
Are you worried bout your neighbors spying or are you worried someo9ne
it literally going to come into your neighborhood and specifically
target you to spy on? Is there something specific you fear someone
will find out or is this a generalized fear of being spied on?
If I'm the only person with <fill-in-the-blank> there is very
little chance of someone being able to *use* data that they
snoop -- there are far too many impediments to them even
KNOWING what the data contains, how it is encoded, encrypted, etc.
In a sense, "security by obscurity" (if you don't know that the
building across the street from you is a gold depository, then
you're not going to think of how to break into it! :> )
OTOH, if you (me) are developing a technology that others will
eventually use -- i.e., so it is no longer "obscure" -- you don't
want to develop that technology with an inherent weakness that
others could exploit!
"Gee, it's a great idea but it has these HUGE weaknesses..."
So, I need to make sure I have a COMPLETE solution -- even if it isnt
the most inexpensive or technologically advanced. I can't say
"this is the world's safest automobile!" if I then have to add,
/sotto voce/, "as long as there are NO OTHER DRIVERS on the road"
Relying on wireless comms in any way opens the door for:
- "eavesdropping" (snooping on the data)
- counterfeiting (forging data or commands)
- denial of service (jam the airwaves to prevent things from working)
The way to minimize these problems is to shield the comms; just
the equivalent of turning them into "wired" comms (where the
"insulator" function is performed by the shielding)
Correct. You just have to control size of openings wrt the frequency
you're trying to block. As I have control over *my* (desired) RF,
I can tune the shield to fit *it's* needs, not try to block *all* RF.
However, as I can't just pick *any* frequencies ("intentional radiator"),
I can't be sure my shielding won't also block some things that I might
otherwise *want* to permeate the shield -- now or at some future date
(when who knows what the frequency allocations might be!). So, I
have to be prepared to live without "other needs"; and, be prepared
to undo what I've done when/if the house is sold (I suspect a future
homeowner would not consider the shielding to be an ASSET!)
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