
FBI headquarters in Washington DC
Shuttersock/Bob Korn
The Federal Research Office (FBI) of the United States plans to buy radar technology that can detect people on the other side of the walls, whether they move, remain still or even lying down.
The idea of using radar, a system that uses radio waves that reflect objects to determine its location, in this way there has been for at least 20 to 30 years, says Hugh Griffiths at the University College London. But describe field tests with this new system as “impression” by demonstrating how “have resolved much of the …
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