How a Ferromagnetic Cell Phone Detector Finds Hidden Gear
You might be surprised at how often a ferromagnetic cell phone detector is the only thing standing between a secure facility and a major security breach. Whether we're talking about a high-security prison, a government data center, or even a strictly monitored exam hall, these devices have become the go-to solution for finding electronics that people really don't want found. Unlike the old-school metal detectors you see at the airport, these sensors are tuned into a very specific "signature" that makes them incredibly effective. ...