It's not impossible: http://www.technologyreview.com/view/517336/physicists-detect-radio-waves-with-light/ http://www.technologyreview.com/view/517336/physicis

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