The title of the article got me quite frightened for a moment, until I read on and realized the "gun" is more-or-less an audio playback speaker with minor delay.

Early Skype users who made calls to people using their speakers instead of headsets/headphones know how this feels.. disorienting yes, but easily ignored after you get used to it.

I never imagined the effect could be implemented as a directed energy weapon. Just makes me think it would be that much easier to re-make as a DIY project, smaller and cheaper..

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