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(Tech Stew)   Scientists develop wallpaper to block Wi-Fi, available in 2013   (tech-stew.com) divider line 57
    More: Cool, Wi-Fi, mobile phone signal, Wii U, space planes, EADS Astrium, Ofcom, BAE Systems  
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3634 clicks; posted to Geek » on 10 May 2012 at 12:49 PM (2 years ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2012-05-10 12:20:01 PM  
They developed a paint that blocks WiFi in 2009.
 
2012-05-10 12:29:23 PM  
uglyhousephotos.com

"There. I covered up all the walls. Took about eighty rolls worth o' Reynolds Wrap, but if it keeps the gub'mint outta mah brainwaves, it's worth it."
 
2012-05-10 12:54:20 PM  
I'm planning to sneak into our offices at night and paper all of the walls with this stuff.
 
2012-05-10 12:59:28 PM  
It's useless unless they sell non shielded versions that are the same designs because the only purpose I can think of for this stuff is to keep your wireless network inside of your house. To that end you'd only want to shield exterior walls.
 
2012-05-10 01:01:12 PM  

Egoy3k: It's useless unless they sell non shielded versions that are the same designs because the only purpose I can think of for this stuff is to keep your wireless network inside of your house. To that end you'd only want to shield exterior walls.


You expect me to PAY for internet?
 
2012-05-10 01:01:16 PM  
Oh never mind I just RTFA and looked at the picture I guess you could put it up where you wanted then paint or paper over it with whatever color or design you wanted.
 
2012-05-10 01:01:55 PM  
Worried about outsiders sniffing your wi-fi to gain access to your computer?

Yes, so I passphrase protected it.

Your expensive wallpaper is neat too.
 
2012-05-10 01:03:28 PM  

RexTalionis: They developed a paint that blocks WiFi in 2009.


Done in one.
 
2012-05-10 01:04:20 PM  
or, you know you can just keep a secure network with a password other then "password" "god" "12345" "network" and such.
just moved out of an apt building into 1st house. the previous passwords were all in use by neighbor's
 
2012-05-10 01:04:21 PM  
They need to make this to block cell phones, then use it on movie theaters and libraries.
 
2012-05-10 01:07:25 PM  

SwingDancer: or, you know you can just keep a secure network with a password other then "password" "god" "12345" "network" and such.
just moved out of an apt building into 1st house. the previous passwords were all in use by neighbor's


How did you know all of my passwords? Are you a wizard?
 
2012-05-10 01:08:59 PM  

SwingDancer: or, you know you can just keep a secure network with a password other then "password" "god" "12345" "network" and such.
just moved out of an apt building into 1st house. the previous passwords were all in use by neighbor's


Another alternative is to just use wires and turn off the wireless portion of your router. This is what I do. I media stream, and play games on my network so it's kind of pointless to use wireless and my devices max out my router ports so no wireless for me. It's kind of annoying to not have wifi on my phone but it's a company phone so they can pay for my data.
 
2012-05-10 01:10:00 PM  

Egoy3k: It's useless unless they sell non shielded versions that are the same designs because the only purpose I can think of for this stuff is to keep your wireless network inside of your house. To that end you'd only want to shield exterior walls.


My wifi can pathfind, so it's all okay.
 
2012-05-10 01:10:29 PM  

RexTalionis: They developed a paint that blocks WiFi in 2009.



I recall that paint also blocked mobile and TV signals, which this doesn't.
 
2012-05-10 01:11:26 PM  

SwingDancer: or, you know you can just keep a secure network with a password other then "password" "god" "12345" "network" and such.
just moved out of an apt building into 1st house. the previous passwords were all in use by neighbor's


By neighbor's... WHAT? Neighbor's son? Neighbor's wife? Neighbor's cat?
 
2012-05-10 01:12:16 PM  
Just wait until some moran uses this on their desktop and finds out he no longer has WiFi!!!
 
2012-05-10 01:13:10 PM  
My house seems to block just fine without wallpaper.

/!@#$ing house.
 
2012-05-10 01:18:05 PM  

LesserEvil: Just wait until some moran uses this on their desktop and finds out he no longer has WiFi!!!


My wife used to work in tech support for an ISP. She would routinely get calls from customers who wanted to return their modems because they bought a laptop and since it's wireless they don't need the modem any more, or who could get connected directly through the modem but couldn't set up their routers and expected the ISP to fix their $30 linksys router.

The best ever was a surprisingly large number of people calling to complain about the most recent google doodle and demanding that the ISP put their old Google back up.
 
2012-05-10 01:18:26 PM  

I think I found a flaw in their cunning plan....

img.diytrade.com

www.questpcs.com
 
2012-05-10 01:21:48 PM  

Bungles: RexTalionis: They developed a paint that blocks WiFi in 2009.


I recall that paint also blocked mobile and TV signals, which this doesn't.


Which means it must be pretty particular about frequencies, making it useless when the new wireless standard is adopted
 
2012-05-10 01:22:48 PM  
I'd swear the layer of lead paint at the bottom of all the layers of paint in my place does a pretty good job of blocking cell signal.
 
2012-05-10 01:24:20 PM  
Worried about people piggybacking off of you. Simple. Don't live like sardines. Have enough of a yard where the nearest person to you is farther away than the broadcast of you router.
 
2012-05-10 01:30:18 PM  

SpectroBoy: I think I found a flaw in their cunning plan....


You forgot about metal screens. They make great RF shields.
 
2012-05-10 01:31:49 PM  
Is this wallpaper called "tin foil"? I would think some good ol' fashioned Lead paint should do nicely (and help the young'ins with their growin' up as well!)
 
2012-05-10 01:36:01 PM  
Thanks! I love not being able to get cell calls in the house.
 
2012-05-10 01:40:15 PM  
Saunt Bucker's basket?

images.wikia.com
 
2012-05-10 01:54:17 PM  

Kuroshin: RexTalionis: They developed a paint that blocks WiFi in 2009.

Done in one.


Done in zero, since that's mentioned in the article.
 
2012-05-10 02:09:52 PM  

Saiga410: Worried about people piggybacking off of you. Simple. Don't live like sardines. Have enough of a yard where the nearest person to you is farther away than the broadcast of you router.


Clearly this is an easy, feasible option for absolutely everyone!
 
2012-05-10 02:13:30 PM  

Egoy3k: SwingDancer: or, you know you can just keep a secure network with a password other then "password" "god" "12345" "network" and such.
just moved out of an apt building into 1st house. the previous passwords were all in use by neighbor's

Another alternative is to just use wires and turn off the wireless portion of your router. This is what I do. I media stream, and play games on my network so it's kind of pointless to use wireless and my devices max out my router ports so no wireless for me. It's kind of annoying to not have wifi on my phone but it's a company phone so they can pay for my data.


I've never had problems streaming media wirelessly. I've been streaming Netflix wirelessly for years.
 
2012-05-10 02:25:00 PM  

SpectroBoy: I think I found a flaw in their cunning plan....
[img.diytrade.com image 640x541]

[www.questpcs.com image 400x309]


"Windows Sucks" is a different thread
 
2012-05-10 02:59:48 PM  
zedomax.com

Love this little bad boy. It's 130 for it now, bought it a couple months ago at 180. Worth every penny. WPA2 and it logs all connect users. You can plug in a USB drive or a NAS and easy UPnP on devices (though Kindle Fire needs a more stable program, or allow more full Android market downloads). I hooked it up to this NAS and haven't had any problems.

As long as you secure your wireless, and put a pretty difficult passphrase/key, I find it hard to believe there are a ton of people out there that are able to crack that WPA2
 
2012-05-10 03:01:18 PM  

stevetherobot: Egoy3k: SwingDancer: or, you know you can just keep a secure network with a password other then "password" "god" "12345" "network" and such.
just moved out of an apt building into 1st house. the previous passwords were all in use by neighbor's

Another alternative is to just use wires and turn off the wireless portion of your router. This is what I do. I media stream, and play games on my network so it's kind of pointless to use wireless and my devices max out my router ports so no wireless for me. It's kind of annoying to not have wifi on my phone but it's a company phone so they can pay for my data.

I've never had problems streaming media wirelessly. I've been streaming Netflix wirelessly for years.


It might work now I have a newer Xbox with a better (built in) wireless adapter but my old Xbox (with the wireless adapter) and ps3 would stutter on HD content from my PC and the PS3 would overheat in the summer and either drown out the audio with an insanely loud fan or just shut off completely.
 
2012-05-10 03:12:04 PM  
web.tradekorea.com

Conspiracy nuts and freepers have been using this technology for years
 
2012-05-10 03:43:19 PM  

Egoy3k: SwingDancer: or, you know you can just keep a secure network with a password other then "password" "god" "12345" "network" and such.
just moved out of an apt building into 1st house. the previous passwords were all in use by neighbor's

Another alternative is to just use wires and turn off the wireless portion of your router. This is what I do. I media stream, and play games on my network so it's kind of pointless to use wireless and my devices max out my router ports so no wireless for me. It's kind of annoying to not have wifi on my phone but it's a company phone so they can pay for my data.


I use laptops in my house, and it's not wired yet(homeowner for 14days now) so wireless is pretty much it. I stream from my media server to my Blue-Ray player for movies/photos/videos but mostly i sit on couch or bed with a laptop. same with wife.
 
2012-05-10 04:00:23 PM  

dennysgod: [web.tradekorea.com image 360x360]

Conspiracy nuts and freepers have been using this technology for years


www.reelfilm.com
 
2012-05-10 04:16:47 PM  

SpectroBoy: I think I found a flaw in their cunning plan....
[img.diytrade.com image 640x541]

[www.questpcs.com image 400x309]


They're coming out iwth a transparent fversion for windows too.

Now the real issue is do you really want to wallpaper your ceiling and floors, too?
 
2012-05-10 04:26:23 PM  
I'd think that most people with WIFI would want some outside coverage so they can sit on the deck and surf.

This is probably more suitable to those freaks who are afraid of EM.
 
2012-05-10 04:56:13 PM  

FinFangFark: [zedomax.com image 450x385]

Love this little bad boy. It's 130 for it now, bought it a couple months ago at 180. Worth every penny. WPA2 and it logs all connect users. You can plug in a USB drive or a NAS and easy UPnP on devices (though Kindle Fire needs a more stable program, or allow more full Android market downloads). I hooked it up to this NAS and haven't had any problems.

As long as you secure your wireless, and put a pretty difficult passphrase/key, I find it hard to believe there are a ton of people out there that are able to crack that WPA2


I bought a Linksys router a couple of months ago because I wanted to attach a USB drive, but it turned out that it isn't compatible with my USB hard drive or my wireless printer. Really sucks.
 
2012-05-10 05:20:16 PM  

stevetherobot: FinFangFark: [zedomax.com image 450x385]

Love this little bad boy. It's 130 for it now, bought it a couple months ago at 180. Worth every penny. WPA2 and it logs all connect users. You can plug in a USB drive or a NAS and easy UPnP on devices (though Kindle Fire needs a more stable program, or allow more full Android market downloads). I hooked it up to this NAS and haven't had any problems.

As long as you secure your wireless, and put a pretty difficult passphrase/key, I find it hard to believe there are a ton of people out there that are able to crack that WPA2

I bought a Linksys router a couple of months ago because I wanted to attach a USB drive, but it turned out that it isn't compatible with my USB hard drive or my wireless printer. Really sucks.


The transfer rate of USB 2.0 stinks. Sure it works for pictures and documents, but for streaming it's useless.
 
2012-05-10 05:27:16 PM  

BigBooper: stevetherobot: FinFangFark: [zedomax.com image 450x385]

Love this little bad boy. It's 130 for it now, bought it a couple months ago at 180. Worth every penny. WPA2 and it logs all connect users. You can plug in a USB drive or a NAS and easy UPnP on devices (though Kindle Fire needs a more stable program, or allow more full Android market downloads). I hooked it up to this NAS and haven't had any problems.

As long as you secure your wireless, and put a pretty difficult passphrase/key, I find it hard to believe there are a ton of people out there that are able to crack that WPA2

I bought a Linksys router a couple of months ago because I wanted to attach a USB drive, but it turned out that it isn't compatible with my USB hard drive or my wireless printer. Really sucks.

The transfer rate of USB 2.0 stinks. Sure it works for pictures and documents, but for streaming it's useless.


Slow transfer rate? Stinks? Useless?

i.zdnet.com

Think of all the kittens killed.
 
2012-05-10 05:47:12 PM  

MusicMakeMyHeadPound: Worried about outsiders sniffing your wi-fi to gain access to your computer?

Yes, so I passphrase protected it.

Your expensive wallpaper is neat too.


Depends on the encryption. Most people go with WPA, which is extremely time-consuming to crack. However, you can still find people and businesses running WEP encrypted passwords on their routers, and it's fairly simple with just some basic linux knowledge to crack one of those.
 
2012-05-10 05:55:33 PM  
Eh, the wiring, framing, and paint used to interfere pretty harshly with the old networking standards anyhow. 802.11n was designed specifically to get around that problem, if I'm remembering correctly, if you're still using b or in some cases even g your neighbor likely isn't getting shiat from your wireless even if you hand them the password.

yelmrog: Depends on the encryption. Most people go with WPA, which is extremely time-consuming to crack. However, you can still find people and businesses running WEP encrypted passwords on their routers, and it's fairly simple with just some basic linux knowledge to crack one of those.


To be fair, for a home network who the fark cares? As long as I retain enough bandwidth to do what I'm doing, the one or two people capable of figuring that out aren't really going to bother me, it's only every single teenager in the complex streaming porn at once and killing my own video connection that I'm worried about. Not like I keep remote assist running and have network shared folders with sensitive info lying about.
 
2012-05-10 05:59:02 PM  

FinFangFark: I find it hard to believe there are a ton of people out there that are able to crack that WPA2


In my line of work, we call that security through ignorance. It has a low success rate.
 
2012-05-10 06:00:43 PM  

yelmrog: Depends on the encryption. Most people go with WPA, which is extremely time-consuming to crack. However, you can still find people and businesses running WEP encrypted passwords on their routers, and it's fairly simple with just some basic linux knowledge to crack one of those.


What's your definition of "extremely?" Because I could crack a WPA network in a few hours. Also, cracking any wifi encryption takes zero linux knowledge... not really sure where you were going with that one.
 
2012-05-10 06:08:11 PM  

yelmrog: Depends on the encryption. Most people go with WPA, which is extremely time-consuming to crack. However, you can still find people and businesses running WEP encrypted passwords on their routers, and it's fairly simple with just some basic linux knowledge to crack one of those.


When AT&T installed an DSL access point in my office, they installed one that had WEP only.

Who knows how many are seeded around the area. But I suspect the script kiddies are happy with an installed base like that.
 
2012-05-10 07:20:58 PM  
Honest Bender: What's your definition of "extremely?" Because I could crack a WPA network in a few hours.

Minimum key length is 8 characters (in a character set of 94 characters).

So you're talking about 94^8 (6,095,689,385,410,816) potential keys, brute forcing is going to take a while.

And you said 'a WPA network', which I infer means any network with any key (which means that a dictionary attack isn't feasible either if someone has set an appropriately secure passphrase).

And someone who took the time to select an appropriately secure passphrase will also have changed the SSID (so precomputed hash tables are out of the picture as well).

// I'm not heavy into the security space these days, so I haven't been paying attention to see if any flaws were found that allowed an easy way around all of the above. So please tell us how can you crack a WPA/WPA2 secured network in hours.
 
2012-05-10 07:26:48 PM  

Tax Boy: Saunt Bucker's basket?

[images.wikia.com image 288x264]


Sorry, only Laterran spoken here.
 
2012-05-10 08:03:50 PM  

ArcadianRefugee: Kuroshin: RexTalionis: They developed a paint that blocks WiFi in 2009.

Done in one.

Done in zero, since that's mentioned in the article.


Even better! It's always nice to see threads have no purpose at all.

Now, to find something else to post about...
 
2012-05-10 11:28:44 PM  
lordargent
And someone who took the time to select an appropriately secure passphrase will also have changed the SSID (so precomputed hash tables are out of the picture as well).

Yeah, WPA2, the SSID is not broadcast and is itself an uncommon phrase fragment. The passphrase is several words with numbers and punctuation. Easy to remember and share with guests but secure enough that it'll bore anyone trying to hack it by brute force.

I'm just saying that while this wallpaper is an interesting invention it just seems like a waste of money from a practical standpoint when you consider the alternatives.

Even with a business I imagine it would be cheaper to just print the WiFi passphrase on a receipt and rotate it every so often.
 
2012-05-11 12:01:51 AM  
Still no cure for wallpaper?
 
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