From nBounder
The Israeli company, Silentium, has the technology which can actively reduce noise pollution. They say it can achieve full spectrum noise reduction up to 10 decibels.
I think this product is ordered by some politic leaders from all over the world, who, in times of crisis or other anu other reason;) they don't want to hear how  the population scream at them.
                                                                                                                               Type: Politics

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