4 ms·

I wonder if a laser could be used to pick up on this signal such that an individual could be targeted from afar?

• bradleyland 11y ago
  My understanding is that light doesn't interact with electromagnetic fields, so you couldn't use a laser to detect electromagnetic fields.
  • Ken-B 11y ago
    light IS a EM field. First sentence on wiki: "Light is electromagnetic radiation ..." And yes, electromagnetic fields interact.
  • deleted 11y ago
    [deleted]
• trimble-alum 11y ago
  Consider a physics class to learn about electricity and magnetism.
• dm2 11y ago
  It's not impossible: http://www.technologyreview.com/view/517336/physicists-detect-radio-waves-with-light/ http://www.technologyreview.com/view/517336/physicists-detec... Lasers have been used for 50+ years in the intelligence community to eavesdrop on voice conversations. https://en.wikipedia.org/wiki/Laser_microphone https://en.wikipedia.org/wiki/Laser_microphone
• conkerer 11y ago
  You're probably thinking of a directed antenna, something like the BlueSniper rifle that was all the news like 10 years ago...