Comments on: Sonic cannons to be used during Olympics to keep crowds under control https://www.eutimes.net/2012/05/sonic-cannons-to-be-used-during-olympics-to-keep-crowds-under-control/ We deliver exclusive hidden news that you won't just find anywhere, information that nobody wants you to know about. Updated 1 minute ago. Mon, 14 May 2012 08:51:58 +0000 hourly 1 https://wordpress.org/?v=6.4.3 By: welder https://www.eutimes.net/2012/05/sonic-cannons-to-be-used-during-olympics-to-keep-crowds-under-control/comment-page-1/#comment-45830 Mon, 14 May 2012 08:51:58 +0000 http://www.eutimes.net/?p=21296#comment-45830 What if you wear some noise cancelling ear muffs? Will the sonic cannon stil work?

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