Spying with a Laser

Spying with a Laser

Want to spy on people with a laser? Dating back to the 1940s, this oldie but goody is super simple to pull off! We can easily send audio over a laser and into a basic light-sensitive receiver.

The method itself was developed by Léon Theremin in the 1940’s and originally used a simple IR beam invisible to the naked eye. Of course, we have made this much simpler at a slight cost of audio quality.

The possibilities are endless for this simple device, you could bounce the laser off a window and hear what is going on inside, you can hook an mp3 player into the power circuit and stream your music out as well.

All the items shown here are easily obtained at an electronic’s store such as Radio Shack or Frys and won’t cost much more than a few bucks if you get a cheap laser.

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50 Comments

  1. gummy bear 7 on February 22, 2022 at 7:43 am

    I’ve just had q of then

  2. USAlien234 on February 22, 2022 at 7:43 am

    Your neihbors an as*hole.
    Just saying.

  3. mirroredguitarist on February 22, 2022 at 7:45 am

    Being spied on from personal experience and having said person dox and share my private conversations…. I don’t think it’s a good idea to teach people how to do this

  4. DudeUnperfect on February 22, 2022 at 7:45 am

    IR laser and go stealth mode

  5. S. Paresh Kumar on February 22, 2022 at 7:47 am

    Is ur laser made of metal body

  6. Tejas N on February 22, 2022 at 7:51 am

    who’s here after watching "The Voyeurs"

  7. Nuclear Nadal on February 22, 2022 at 7:53 am

    Thanks man, Now I understand the opening scene from Spectre.

  8. Beespool on February 22, 2022 at 7:53 am

    Is that Rock is Dead from Marilyn Manson??? 3:43

  9. James Charles on February 22, 2022 at 7:53 am

    You might want to NOT in courage people to spy on others. Instead of showing them how to.

  10. J. F. on February 22, 2022 at 7:54 am

    Wow. I bet this works great. Can’t wait to try it. Lol.

  11. Miron on February 22, 2022 at 7:55 am

    Rest in Peace 😢

  12. yes on February 22, 2022 at 7:57 am

    Looks haunted

  13. Putochingarkabron A on February 22, 2022 at 7:59 am

    Dang that easy?
    Just imagine how much the alphabet agencies are spying while they act like they don’t know anything about it.

  14. masoud shahbazi on February 22, 2022 at 8:01 am

    Wow👏👏👏👏

  15. Jack Bonsall on February 22, 2022 at 8:02 am

    ok so something like this or even more even more technical maybe happening at my house. im also seeing projections of images almost movie like, porno movies and such, when i look outside the terrain is complety skewed and manipulated from what it really is, im also seeing rooms in homes that arent in my house with people in them possibly viewing me . other than moving how to i stop this from happening and how to i catch and prove it, the police think im nuts

  16. Steve Cocker on February 22, 2022 at 8:04 am

    Could it be used the other way ? police on the motorway able give instruction by pointing a laser onto a vehicle.

  17. John Rogers on February 22, 2022 at 8:05 am

    improvements would be using a photodiode as a receiver… and for the music transmitter, couple the audio with a transformer. this will reduce clipped audio

  18. CMKE on February 22, 2022 at 8:07 am

    Ok…so how do block this from happening to yourself. I’m pretty sure my neighbor is doing this to me.

  19. João Cruz on February 22, 2022 at 8:08 am

    These things are already outdated because the information inside a Paleolithic farmer is so deep that you are leaving the 21st century world and led to a place so deep and full of myths and legends that you go through a place where sight and sound are no longer in your way but pushing you to a voyage of ancient knowledge and more old enlightenment where lies the realm of the deceased humans whom have the words to describe our first sapien the real beginning and the alpha and omega that were the first and finest carvings of the Vedas the Old and new testament, the Hammurabi laws,
    the egyptian book of the dead, the Mayan calendar and code, the Eridu Genesis, the Epic of Gilgamesh and so much more that my mind explodes with the notion that our 21st century civilization didn’t know nothing and we are so many but few in knowledge of the people that preceded us… so sad.
    And to finish there’s more science in an farmer of this land than all of the scientific community of today….

  20. M Wing on February 22, 2022 at 8:08 am

    I built one of these in the early 80’s . It works if atmosphere is just right and several other things. :O) Sounds like you had a radio wave trying to tune in .

  21. Shedding on February 22, 2022 at 8:09 am

    This can be made more effective using an invisible infrared laser. The panel should still be able to generate electricity.

  22. Jeremy Theimer on February 22, 2022 at 8:10 am

    5:10 My screen when I step on a Lego

  23. q zorn on February 22, 2022 at 8:12 am

    MacGyver vs mi6..Q bond,  cia, fbi  🙂

  24. Ankush Menat on February 22, 2022 at 8:12 am

    Easy way to fry up your phone and speakers circuitry. They’re not designed to handle this shit.

  25. Scott Parramore on February 22, 2022 at 8:13 am

    Yeah a little bit of bulshit going on here… bouncing a laser off a window and getting audio is a little bit trickier than he’s described here…

  26. Anthony Volkman on February 22, 2022 at 8:13 am

    You solar panel is too large, you need a very small one.

  27. Lolo Ji-42 on February 22, 2022 at 8:14 am

    Ninja tunes for a ninja device 😂

  28. Rue Ghadami on February 22, 2022 at 8:16 am

    My neighbor from hell does this to me every nights. How can I stop him?

  29. Miles Prower on February 22, 2022 at 8:17 am

    Mono Jack’s short out your right sound channel. Possible damage to the audio device may occur, as well as the lack of the right channel in the laser audio signal.

  30. Aluzky on February 22, 2022 at 8:21 am

    But, won’t people notice a freaking bright green spot on their windows? XD

  31. 여준 on February 22, 2022 at 8:21 am

    Gang stalking harm all.

  32. 0 . 0 on February 22, 2022 at 8:24 am

    I wonder if I can use a kinect sensor as a spy lazer you would probably have to solder the lazer to the microphone part and have a pc adapter

  33. NICHOLAS LANDOLINA on February 22, 2022 at 8:24 am

    Caught him cheating on Vicki

  34. mw10259 on February 22, 2022 at 8:25 am

    WHERE DO YOU THINK CD AND DVD PLAYER CAME FROM ?

  35. emilee on February 22, 2022 at 8:27 am

    HG SUCKS LOL

  36. Free Bird on February 22, 2022 at 8:27 am

    Better still use an infrared laser

  37. Hack This on February 22, 2022 at 8:27 am

    Optical audio is cool

  38. Jesse Timber on February 22, 2022 at 8:29 am

    Fake Video, when you hit the laser pointer on solar panel it creates the electric current which capture the energy from photon that makes the speaker hazing , it’s not the wave form of signal

  39. 200IQ APEDEX. on February 22, 2022 at 8:29 am

    My neighbor is doing this and its disturbing me😔😔

  40. KeepOnKeepKeepingOn on February 22, 2022 at 8:31 am

    Hoisehold is there an item that can b e purchased to stop /interefere with covert listening devices within walls?

  41. Me The Me on February 22, 2022 at 8:33 am

    I dont want to spy on ANYBODY!
    But I do want to know how these shit things work so I know how creeps spy on others and what to watch for.

  42. _sivizius on February 22, 2022 at 8:33 am

    Why dont you just use a light bulb?

  43. Navv Life on February 22, 2022 at 8:35 am

    i can tell it was his own voice

  44. Jo Gomes on February 22, 2022 at 8:35 am

    Use led for received song!

  45. AMH Current Events on February 22, 2022 at 8:36 am

    Only white people spy on other people. They DO NOT KNOW how to mind their own business.

  46. Marcel Szekowski on February 22, 2022 at 8:36 am

    my parents are the fuckin cia lol they are using this

  47. Sea Life on February 22, 2022 at 8:37 am

    There spying on me. My skin burns

  48. Nemaan Sajjad on February 22, 2022 at 8:37 am

    frick i am wearing headphones

  49. h7opolo on February 22, 2022 at 8:38 am

    you make a lot of conceptually incorrect statements, but i guess you produce workable results.

  50. Greg Bridges on February 22, 2022 at 8:38 am

    Why am i watching this? Oh maybe because ive been stalked and gangstalked by people and exgirfriends for close to 3 years using remote neural monitoring and magnetic targeting and im looking for reasons answers and an explanation of how and why.. YOU PEOPLE WHO DO SHIT LIKE THIS ARE LAME AS FUCK , HAVE NO LIFE RUIN PEOPLES LIVES AND AINT SHIT BUT INTRUSIVE LITTLE FUCKSTICKS THAT NEED TO GET A GRIP ON REALITY AND DO SOMETHING WORTHWHILE LIKE GET A FUCKING THERAPIST AND START MEDICATION LIKE THORAZINE. PEOPLE LIKE YOU ARE DIAPER SNIPING RAPISTS AND SEXUAL PREDATORS THAT NEED HELP AND INCARCERATION.

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