The Hidden Acoustics Behind Anti-Shoplifting Tags
Thieves… Acoustics and physics are at work to stop your activity. Just in case, the Employment Agency is the second street on the left!
The technology to stop thieves is called: acousto-magnetic strips.
These strips contain two pieces of metal, a magnetized and the other a solid piece of iron nickel alloy.
A frequency of 58 kHz is used to oscillate one of the strips.
A very good article by Vice Magazine!
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