Reflected radio waves can reveal a lot of information about things moving nearby. And, at a global scale, satellites can track ships that have "gone dark" for nefarious purposes.
And this tech is simple and cheap - in this video, a single chip setup could read her heart rate and breathing through walls. https://youtu.be/oBDX_dPvq4A?si=O1TRbAuD-R2VUI-y
No comments:
Post a Comment