Kenyon Mythbusters: Headphone Ringing


 ipod_earbuds    Versus_sign                     RFID_Anti-Theft_Door_Gate_IC_Card_Reader_with_IR_Sensor

Sometime last year I walked through the anti-theft system, located at the entrance to the library, while wearing earbuds. I was immediately hit with a slight ringing sensation in my ears that lasted until I was at least a foot or two away from the device. I’ve noticed the problem with both earbuds and headphones alike, and I have finally decided to root out the cause of the ringing.  Continue reading