And if objects inside a building resonate with sympathetic vibrations from external high intensity ultrasound, presumably the sympathetic vibration can work in reverse, too. Which is why interior sound impacting a window pane can be “read” from outside a building using a variety of wave-based detection. All resonant material is potentially a “speaker,” no?
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I suspect Putin is attempting to sew discord between the USA and Cuba.
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OWW! 67 yr. old ears don’t like that at all. The embassy sound reminds me of summertime night bug din in my backyard.
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These “sonic attacks” are bogus. Please stop giving them credibility.
Me too. I don’t find it too annoying.
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As an atheist you should know that extraordinary claims made without evidence can be dismissed without a second thought. You have failed to make any case tor your claim.
Are you placing faith in your intuition?
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It’s the MSG
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Gets rid of the raccoons, but attracts rabid bats.
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Anyone who has tuned a pipe organ has experienced a sound similar to this example, the “warbling” is caused by two notes of different pitches being played together. I have experienced mild headache and dizziness after prolonged exposure during the tuning process. Old CRT displays sometimes make a similar screech.I’m glad flatscreens have replaced them!
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I’m sorry … it just sounds too much like all those attacks of mass hysteria you used to hear about at workplaces or public schools or whatever… one kid/person gets nauseous and yells about funny smells, and the first thing you know every one is passing out and calling 911 to report non-existent gas leaks or chemical spills or something. Then, a thorough investigation reveals that there IS no gas OR chemicals etc. and the whole thing was just hysterics. Sounds a whole lot like this situation to me …
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I was scrolling down the comment thread to see if anyone would hit on this possibility. I know from some very limited experience during the bad old Cold War days that the Soviets were always engaged in technology attacks and broad based evesdropping against US personnel. We generally established electronic perimeter defenses that jammed their attacks and made it safe once you within the embassy compound.
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You read my patent !
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What the US needs to do is invent an app that listens out for the sound, and if it appears then to send out an alert. The manhunt can then begin. Further, if enough people are using the app, the position of the device should be easy to triangulate.
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The recorded sound is the interference pattern between multiple sound sources. They need to install sophisticated directional-detecting equipment and extremely high-frequency recording equipment. I suspect that the large signals have frequencies that are well-above the spectrum of human hearing, and what is currently recorded is just the interference pattern between multiple high-frequency signals.
Realize that high-end high-fidelity audio equipment reproduces sound way above the spectrum that humans can hear. The best of us can hear up around 20 kilo-Hertz, but high-end audio systems can produce 100 kilo-Hertz. This is because most percussion instruments and some non-percussion instruments in Orchestras produce interference patterns that are in the human-perceptible audio range, and it’s the interference patterns produced when the super high-frequency sound is reproduced that we hear.
We weld plastic with ultrasound. What do you think those high frequencies will do to neural tissue at high power? Look at the spectrum provided under the “Ultrasound” section here: http://www.learneasy.info/MDME/projects/A1A2_project/robot_sensors/robot_sensors.htm
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Yes, I can hear it. And it hurts. It’s like a needle being jammed into my ear. But as much as this hurts, the recording embedded in the article hurts much more.
ETA: I actually still have some residual ringing from the embedded audio. This must be hours later. Sheesh.
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The difference is that in this case, people have detectable ear and brain damage. Mass hysteria victims don’t have objectively detectable infections or damage to their bodies.
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You don’t necessarily want to hear the human-detectable sound except to alert the victim to escape. You want to detect the sounds that are at much higher frequencies than the human-detectable sound. Why? Because it will be much easier to triangulate on the super-high frequency sound. The human-detectable sound is an interference pattern.
Just curious: How can you tell?
I am late to this and haven’t read all the comments, but isn’t it likely the Russians who don’t want Cuba to have better relations with US? And they got their boy who did what they’d want.
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errr, and which cord is discord? I thought it was dat cord over there.