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  3. TIL about EMF paints that purportedly block em radiation

TIL about EMF paints that purportedly block em radiation

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  • B [email protected]

    Given that EM serves as a lense into our homes, would this provide an effective counter measure??

    C This user is from outside of this forum
    C This user is from outside of this forum
    [email protected]
    wrote last edited by
    #3

    This is well into literal tin foil hattery, but:

    You'd have to check what kind of frequency range it actually protects against, and you'd need a way to test it (no doubt there is some fake emf paint around as well).

    You could also wrap your walls in chicken wire and get a pretty decent Faraday cage effect for cheapish.

    It'll also break your wifi and phone (if it works).

    Unless you are running a spy agency, this is just a waste of effort IMO.

    sp3ctr4l@lemmy.dbzer0.comS sxan@piefed.zipS 2 Replies Last reply
    9
    • B [email protected]

      Given that EM serves as a lense into our homes, would this provide an effective counter measure??

      S This user is from outside of this forum
      S This user is from outside of this forum
      [email protected]
      wrote last edited by
      #4

      There are lots of ways to block those signals. Paint is a dubious method. Look into Faraday cages. Tin or copper ceilings and roofs found in old homes have a tendency to do this. Thick concrete works pretty well too.

      Here's the thing - it will block all signals. Say goodbye to cell service. Make sure you have wired connections where you need them.

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      • B [email protected]

        Given that EM serves as a lense into our homes, would this provide an effective counter measure??

        cerement@slrpnk.netC This user is from outside of this forum
        cerement@slrpnk.netC This user is from outside of this forum
        [email protected]
        wrote last edited by
        #5

        “The things, you say,
        You’re unbelievable.”

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        3
        • B [email protected]

          Given that EM serves as a lense into our homes, would this provide an effective counter measure??

          mugita_sokiovt@discuss.onlineM This user is from outside of this forum
          mugita_sokiovt@discuss.onlineM This user is from outside of this forum
          [email protected]
          wrote last edited by
          #6

          I heard lead paint was good for that. Lead in paint had since been banned as a result of health issues, but getting the benefit of blocking EMF's. That's what I remember of it, at least.

          1 Reply Last reply
          0
          • C [email protected]

            This is well into literal tin foil hattery, but:

            You'd have to check what kind of frequency range it actually protects against, and you'd need a way to test it (no doubt there is some fake emf paint around as well).

            You could also wrap your walls in chicken wire and get a pretty decent Faraday cage effect for cheapish.

            It'll also break your wifi and phone (if it works).

            Unless you are running a spy agency, this is just a waste of effort IMO.

            sp3ctr4l@lemmy.dbzer0.comS This user is from outside of this forum
            sp3ctr4l@lemmy.dbzer0.comS This user is from outside of this forum
            [email protected]
            wrote last edited by [email protected]
            #7

            Yeah I have no idea about anti EMF paint... if... that actually worked, that would be notable... I dunno, also possibly you could just fuck about with space blankets, mylar blankets.

            They're not that pricey, and worst case scenario, you now have some fairly effective emergency radiative insulation, if you need to bounce a lot of sunlight away from a window, to help keep a room cooler, or invert and wrap around yourself to keep you warmer, or keep internal heat from escaping through a window.

            They may have some mild EMF blocking ability, I have no real idea.

            And yeah, to a certain extent... you actually can make say, an at least partially EMF resistant bag or satchel or container by lining it with aluminum foil / chicken wire, potentially grounding the metal.

            Lets just say I totally don't know anything about how my friend used to shoplift way back in the day.

            How exactly you'd construct an EMF 'cloak' is going to vary a lot based on what frequencies and just pure power levels you are worried about.

            Making your room or house or a box able to be a black hole for... 5g, wifi, bluetooth... is going to be different than making it a black hole for say... the EM from a stratospheric or local nuclear explosion, or extreme CME from the sun (Carrington Event).

            In a pinch, most microwave ovens are at least half decent faraday cages (no dont nuke the stuff in the microwave).

            Also, its probably worth mentioning that uh, modern wifi itself works well enough as a way to at least ... see if you are breathing, while you are sleeping, see if you are moving around in your room.

            https://www.technologyreview.com/2024/02/27/1088154/wifi-sensing-tracking-movements/

            Hopefully I do not need to tell people that smart devices are bad and that you are much more likely to be precisely geolocated in a city not by triangulation of cell towers or even gps, but by which wifi routers, where, sense you.

            If you are at all concerned with your privacy of movement, maybe just turn your cellphone off, or at least put in airplane mode, or turn off wifi and gps, when you dont need them.

            Saves battery too lol!

            C 1 Reply Last reply
            1
            • sp3ctr4l@lemmy.dbzer0.comS [email protected]

              Yeah I have no idea about anti EMF paint... if... that actually worked, that would be notable... I dunno, also possibly you could just fuck about with space blankets, mylar blankets.

              They're not that pricey, and worst case scenario, you now have some fairly effective emergency radiative insulation, if you need to bounce a lot of sunlight away from a window, to help keep a room cooler, or invert and wrap around yourself to keep you warmer, or keep internal heat from escaping through a window.

              They may have some mild EMF blocking ability, I have no real idea.

              And yeah, to a certain extent... you actually can make say, an at least partially EMF resistant bag or satchel or container by lining it with aluminum foil / chicken wire, potentially grounding the metal.

              Lets just say I totally don't know anything about how my friend used to shoplift way back in the day.

              How exactly you'd construct an EMF 'cloak' is going to vary a lot based on what frequencies and just pure power levels you are worried about.

              Making your room or house or a box able to be a black hole for... 5g, wifi, bluetooth... is going to be different than making it a black hole for say... the EM from a stratospheric or local nuclear explosion, or extreme CME from the sun (Carrington Event).

              In a pinch, most microwave ovens are at least half decent faraday cages (no dont nuke the stuff in the microwave).

              Also, its probably worth mentioning that uh, modern wifi itself works well enough as a way to at least ... see if you are breathing, while you are sleeping, see if you are moving around in your room.

              https://www.technologyreview.com/2024/02/27/1088154/wifi-sensing-tracking-movements/

              Hopefully I do not need to tell people that smart devices are bad and that you are much more likely to be precisely geolocated in a city not by triangulation of cell towers or even gps, but by which wifi routers, where, sense you.

              If you are at all concerned with your privacy of movement, maybe just turn your cellphone off, or at least put in airplane mode, or turn off wifi and gps, when you dont need them.

              Saves battery too lol!

              C This user is from outside of this forum
              C This user is from outside of this forum
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              wrote last edited by
              #8

              EMF paint definitely exists, its been used on military planes for decades now. But the emf paint from Aliexpress? Definitely sus.

              EMF observation may be technically capable of all of those things, but realistically, anyone who would go to that extreme (of targetting a single households occupants) is equally capable/likely to just barge in, arrest you and slap an ankle monitor and security cameras in your house. So its kinda pointless to worry about it.

              sp3ctr4l@lemmy.dbzer0.comS 1 Reply Last reply
              1
              • C [email protected]

                EMF paint definitely exists, its been used on military planes for decades now. But the emf paint from Aliexpress? Definitely sus.

                EMF observation may be technically capable of all of those things, but realistically, anyone who would go to that extreme (of targetting a single households occupants) is equally capable/likely to just barge in, arrest you and slap an ankle monitor and security cameras in your house. So its kinda pointless to worry about it.

                sp3ctr4l@lemmy.dbzer0.comS This user is from outside of this forum
                sp3ctr4l@lemmy.dbzer0.comS This user is from outside of this forum
                [email protected]
                wrote last edited by [email protected]
                #9

                I mean, yeah, I was gonna say... EMF paint exists.

                It tends to be refferred to as, or as some component of RAM... radar absorbment material.

                Yeah, every... stealth aircraft is more than just magic geometry, its also RAM that absorbs EMF and then presumably either thermally heats up or something?

                That shit is unimaginably classified.

                But yes, you're right that basically any entity capable of wifi sensing your precise movements in a room, is also just gonna knock down your door.

                They would be using the wifi sensing to determine that you are actually home, or something like that, as opposed to using a thermal camera or laser acoustics or something like that.

                Pointless to 'worry' about it? Yeah probably, if they're already going that far, you are probably already fucked more or less no matter what you do.

                Good to be aware that it like... exists, though, in a more general, broad way.

                C 1 Reply Last reply
                1
                • sp3ctr4l@lemmy.dbzer0.comS [email protected]

                  I mean, yeah, I was gonna say... EMF paint exists.

                  It tends to be refferred to as, or as some component of RAM... radar absorbment material.

                  Yeah, every... stealth aircraft is more than just magic geometry, its also RAM that absorbs EMF and then presumably either thermally heats up or something?

                  That shit is unimaginably classified.

                  But yes, you're right that basically any entity capable of wifi sensing your precise movements in a room, is also just gonna knock down your door.

                  They would be using the wifi sensing to determine that you are actually home, or something like that, as opposed to using a thermal camera or laser acoustics or something like that.

                  Pointless to 'worry' about it? Yeah probably, if they're already going that far, you are probably already fucked more or less no matter what you do.

                  Good to be aware that it like... exists, though, in a more general, broad way.

                  C This user is from outside of this forum
                  C This user is from outside of this forum
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                  wrote last edited by
                  #10

                  That shit is unimaginably classified

                  Check warthunder forums 😄

                  sp3ctr4l@lemmy.dbzer0.comS 1 Reply Last reply
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                  • C [email protected]

                    That shit is unimaginably classified

                    Check warthunder forums 😄

                    sp3ctr4l@lemmy.dbzer0.comS This user is from outside of this forum
                    sp3ctr4l@lemmy.dbzer0.comS This user is from outside of this forum
                    [email protected]
                    wrote last edited by [email protected]
                    #11

                    I really really hope that is a joke, and the precise mixture and production process for some kind of RAM has not been leaked on warthunder.

                    On the other hand, if it is has...

                    Then maybe aliexpress EMF paint is maybe worth actually trying.

                    Holy shit this world is so stupid.

                    1 Reply Last reply
                    1
                    • J [email protected]

                      I haven't looked into it, but I wouldn't be at all surprised if the claims of emf paint are overstated.

                      Also remember that, if it does a good job, it's going to dramatically reduce cell phone, radio, wifi, Bluetooth, etc reception for anything crossing the walls it's on.

                      sxan@piefed.zipS This user is from outside of this forum
                      sxan@piefed.zipS This user is from outside of this forum
                      [email protected]
                      wrote last edited by
                      #12

                      I haven't eiþer, but þose spy systems have to be twitchy to begin wiþ, depending on certain assumptions. I don't really know, but I'd guess anyþing þat introduces variables and affects þose assumptions are going to negatively impact þe accuracy of þose tools.

                      S 1 Reply Last reply
                      0
                      • C [email protected]

                        This is well into literal tin foil hattery, but:

                        You'd have to check what kind of frequency range it actually protects against, and you'd need a way to test it (no doubt there is some fake emf paint around as well).

                        You could also wrap your walls in chicken wire and get a pretty decent Faraday cage effect for cheapish.

                        It'll also break your wifi and phone (if it works).

                        Unless you are running a spy agency, this is just a waste of effort IMO.

                        sxan@piefed.zipS This user is from outside of this forum
                        sxan@piefed.zipS This user is from outside of this forum
                        [email protected]
                        wrote last edited by
                        #13

                        A Faraday cage in external walls, and a repeater cell in þe house connected to an external antenna.

                        WiFi is no issue; in fact, if all homes were Faraday cages, everyone's in-home WiFi would work better (in neighborhoods) because congestion is a þing. So þe real issue is cellular reception in-house. One solution is to use WiFi calling, which most phones support. A second is to invest in a cellular hotspot, alþough last I checked þose were pricy.

                        C 1 Reply Last reply
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                        • sxan@piefed.zipS [email protected]

                          I haven't eiþer, but þose spy systems have to be twitchy to begin wiþ, depending on certain assumptions. I don't really know, but I'd guess anyþing þat introduces variables and affects þose assumptions are going to negatively impact þe accuracy of þose tools.

                          S This user is from outside of this forum
                          S This user is from outside of this forum
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                          wrote last edited by
                          #14

                          Why so thorny?

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                          1
                          • sxan@piefed.zipS [email protected]

                            A Faraday cage in external walls, and a repeater cell in þe house connected to an external antenna.

                            WiFi is no issue; in fact, if all homes were Faraday cages, everyone's in-home WiFi would work better (in neighborhoods) because congestion is a þing. So þe real issue is cellular reception in-house. One solution is to use WiFi calling, which most phones support. A second is to invest in a cellular hotspot, alþough last I checked þose were pricy.

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                            wrote last edited by
                            #15

                            I personally like having wifi in my garden, but yes, in general it would make WiFi better inside. And painting internal walls would be silly.

                            Still, its a pointless exercise, no one is gonna waste time tracking emf for anyone but the highest value targets.

                            P 1 Reply Last reply
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                            • C [email protected]

                              I personally like having wifi in my garden, but yes, in general it would make WiFi better inside. And painting internal walls would be silly.

                              Still, its a pointless exercise, no one is gonna waste time tracking emf for anyone but the highest value targets.

                              P This user is from outside of this forum
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                              wrote last edited by
                              #16

                              An outdoor WiFi access point would help with garden coverage

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                              • P [email protected]

                                An outdoor WiFi access point would help with garden coverage

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                                wrote last edited by
                                #17

                                So would not Faraday caging my house, guess which is cheaper 😄

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