Y’know those Laser listeners thingies that you point at some room and you listen to what they’re saying in that room?
I’ve seen such stuff in Metal Gear 2, Splinter Cell and few movies… I always wanted such thing…
I didn’t know how it works or whats the theory behind it…
Passed by Hackaday And saw this little hack that’d defeat it. The thing is that whatever you say makes the windows vibrate in a way that reflects whatever you say, thats how the laser thingy picks up whatever you’re saying behind it
This little piece of hack vibrates the windows in a way that’ll defeat the laser’s readings… with a 9v battery as a power source
Click here to check it out