I did the acoustic less then lethal thing as part of a "red team" sort of organization reporting to a defense contractor's VP of sales.
They simply were not skilled at making simple and low cost, so we'd design it, and they would convert it to production and market it.
My stuff got handed over to people with Masters and Doctorates, used to doing things the way they were taught. That said there were one or two innovators at the corporate bunch, but I had to meet them after hours at their offices so we could experiment and talk freely.
Getting the non-linear effects needed to "hear voices" requires a real tight beam from an ultrasound array. It will not go through walls without scattering. We preferred to work in the hearable audible spectrum. When I saw the U-beam threads I was laughing for months, and feeling sorry for the folks dealing with Meredith but could not post about what I knew. Would not dare risk showing some simple improvements that would have made matters far worse in the end if that ever deployed. No, dear friends of Meredith who might still visit here, it would still not accomplish your power transfer dreams. Even then, it is patented and not for licensing.
While pirates in a certain ocean region probably hate my former boss to no end, there are limitations on acoustic crowd control and harassment methods. Suffice it to say I know what details to look for that sing out (pun intended) when the real devices are in use. I almost never see them in the posts by people who think they are under bombardment by these things. I know how to push people out past a certain critical distance. However driving some one insane in their apartment is best done with other means, if it should ever be done at all. Both acoustic and RF have some dead giveaways.
That audio technology became far more useful for warning systems and units for use in natural disasters. It ended up saving lives, just not in the form it was intended for.
I also have experience with optical methodologies, and got told my design for optical was just too clever for use in crowd control, as it targeted the leaders and grabbed pics while scanning the crowd, and controlling exposure to each individual. Problem with politics is today's emotional and charisma endowed rioting protest leader might be tomorrow's friendly politician so there are de-facto limits on what you can do without usurping democracy. That I agree with. The level between annoyance / disorientation and and damage in optical is just too damn close to retinal burns for cheap optical to work. Best to warn folks to move off, stay back, stop, and that is how the US military uses optical today.
As far as physical less then lethal goes, the margin between useful effects and actually producing injury is usually quite tight. The unit that is fine in the hands of a person with training, practice, judgement and accountability, can quickly become an issue in the hands of some one with other motives or poor judgment. "And rebels have been rebels since I don't know when".
BTW, The superior technical product never took the market share. The other team with the inferior beam pattern and energy density had far too many former retired admirals and generals on their board.
So when I see certain types of posts, I always try to steer folks to mental health professionals.
At my place of worship I had to deal with one individual who was convinced that only certain individuals were getting a certain enzyme that promoted growth and health. For the rest of us, it was being removed from food. Man, for months he begged me to run the test for him, telling me the methodology for running the test (specialized HPLC columns) had been removed from the market by the "cabal" Only way he was going away was if I ran "clandestine" tests for him.
Finally got through to him by asking for his credit card, when it came down to ordering the 900$ per sample test kit. That actually did it, months of patiently bringing in quotes for the kits and journal articles, as well as explaining all tests I can run are logged. Then I had to explain the HPLC was not in my "domain". Come to work with me, I'll log you into the building as a guest, and you can order the materials by making a donation thru channels and work with some one. That did it for the most part. I finally managed to convince him 1. He needed help, 2. The material was still in food. To this day I have no idea why a non-scientist selected that obscure enzyme, as I really had to dig into the bio literature to find what it was. Turns out a methods patent was issued, and second sources of the test WERE pulled from the market under threat of litigation.
Lots of folks who have these kind of thoughts really just need to make new friends, and talk through the underlying problems. Others really do need help and meds.
I don't know what drives the Flat Earthers, though. Have no idea how to solve that one.
Steve
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