In the vid they show an advertisement for a supernatural show that a company had years ago. A billboard on a building projected the sound into pedestrians so that only those walking through the beam heard ghostly whispers in their head.it stays a theory
The Eastern District of California's US Attorney alleged that SNC had overcharged the US government on federal contracts between 2007 and 2011, violating the ."Sierra Nevada Corporation out of Nevada, contracting for the United States Government, announced in 2008 their product MEDUSA (Mob Excess Deterrent Using Silent Audio) that it is manufacturing a microwave ray gun able to beam sounds directly into people’s heads."
No, it hasn't been done.There seem to be a lot of patents based on the Frey Effect
I as well as my cat was bombarded with severe bass and beats, like someone mistuned their stereo on full volume."Sierra Nevada Corporation out of Nevada, contracting for the United States Government, announced in 2008 their product MEDUSA (Mob Excess Deterrent Using Silent Audio) that it is manufacturing a microwave ray gun able to beam sounds directly into people’s heads."
I do have some indeed.Your knowledge of military technology is greater than mine. I am largely limited to published material