Inferno Speaker Stops Thieves, Terrorists, Makes them Vomit

Inferno is a "sonic barrier," a long metallic speakerbar that generates a sound made of four frequencies between 2 and 5 kilohertzs. It will stop anyone, making them vomit and feel incredibly ill just using sound. It can be installed in houses, shops and even vans and cars. It is being installed in Russian retired nuclear weapons depots.

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