<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Jun 22, 2020, at 9:38 AM, Richard Brooks <<a href="mailto:rrb@g.clemson.edu" class="">rrb@g.clemson.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">On 6/22/20 10:25 AM, Yosem Companys wrote:<br class=""><blockquote type="cite" class="">Scientists at the Ben-Gurion University of the Negev in Israel have<br class="">discovered a way to eavesdrop on entire conversations by studying the<br class="">vibration patterns in a lightbulb.<br class=""><br class=""><a href="https://www.wsj.com/articles/even-our-lightbulbs-are-spying-on-us-now-11592506602" class="">https://www.wsj.com/articles/even-our-lightbulbs-are-spying-on-us-now-11592506602</a><br class=""><br class=""><br class=""></blockquote>Seems neither terribly new, nor novel:<br class=""><br class=""><a href="https://en.wikipedia.org/wiki/Laser_microphone" class="">https://en.wikipedia.org/wiki/Laser_microphone</a><br class=""><br class="">https://www.detective-store.com/laser-listening-device-spectra-laser-microphone-m-458.html</div></div></blockquote><br class=""></div><div>The basic idea was invented by Theremin and was deployed operationally shortly after WWII.</div><div><br class=""></div><div><a href="https://hackaday.com/2015/12/08/theremins-bug/" class="">https://hackaday.com/2015/12/08/theremins-bug/</a></div></body></html>