SciencefromWIRED1 day agoHow Do Metal Detectors Work?Metal detectors locate metal by generating changing magnetic fields that induce eddy currents and detect the secondary magnetic fields produced by conductive objects.
New York CityfromCbsnews3 weeks agoStudent found with loaded gun in Brooklyn high schoolA 17-year-old brought a loaded 9mm pistol to East Brooklyn High School; the school does not have metal detectors and officials are investigating.
NYC parentsfromChalkbeat6 months agoPop-up program to detect weapons in NYC schools has a big problem: broken metal detectorsNew York City's school metal detector program has halted due to broken scanners, affecting security protocols and causing delays for students.