Put a piece of cloth in your shoe, like a small folded dish towel. People can recognize your walk and identify you just as easy as seeing your face.
Arrive and leave from a large crowd if you can, assume you are being followed there and back and change into your "hero" costume in a restroom or other area off camera.
Not 'people' but AI-assisted gait analysis. Scan of video footage identifies points on body, tracks movement of those points through space, represents this as output of an algorithm, which generates a result (e.g. a long sequence of numbers like a barcode) which is unique to you. They cannot i.d. you by name and address unless they have your biometrics on record but it is a potential way to identify you just like fingerprints or dna and will stay on record and might hurt you in future.
You don't have to throw it away. Just leave it at home when you are going to do something that might get you in trouble. If you cannot leave your phone, the don't go. It's easy to track. Apparently even in airplane mode
Not in Germany. The law is very abstract. Technically, it does not even allow you to take stuff with you that is supposed to hide your face.
On the other hand... Even a T Shirt can be used to hide the face...
After sonic/microwave attack in Serbia, you need to take headphones and a physical barrier to shelter behind, I dunno, an umbrella backed with tinfoil? One of those foil emergency blankets?
People said they could feel their eyes vibrating, I wonder how effective headphones would actually be.
What's scary to think is that whatever it is, it's probably flirting with the threshold of very serious harm on a large scale. Imagine all the literal skeletons in the development process for this.
Whole thing seemed more of a weapons test/advert than an actual interest in crowd dispersal too. That wasn't an unruly crowd they used it on.
If vibrating eyes is true, the noise is probably in the 30-80 Hz range, somewhere like an idling truck engine or a higher end subwoofer.
That type of noise is rarely heard by ears, but felt as vibrations in the body, and is mostly registered as physical discomfort and stress.
At volume it would probably be enough to be very uncomfortable, but not necessarily immediately dangerous, it's probably on par with working in a large engine room.
Hearing protection will help filter any accompanying noise, and should help keeping your head clear even under the added stress. It will do little to lessen the low frequencies.
Low frequency noise has to be reflected through considerable mass and/or stiffness. Think walls or three pane windows, but also human bodies. Maybe forming ranks and rotating members could be a useful tactic?
how about stay away from crowds? one of these days, you're all going to be cattle led to the slaughter. a much wiser strategy would be to act in squads, spread out, and targeting things that actually throw a monkey wrench in the system.
The problem is that, in D&D terms, you lose action economy that way. A thousand rats might only deal one damage each but all of them at once would obliterate even hardened adventurers.
If people split into groups then yea, the police and whatever would need to prioritize, but the groups could also be handled more safely. Two or three VERY LARGE crowds would be great, but “squads” of even twenty people, against a militarized force, would just be easy pickings. And it’s an exponential loss(just as much as adding people is an exponential gain) so it would be incredibly risky.
In germany used for" nazis raus"(out with nazis - idk) a common antifa-chant at protests aganst fascist gatherings (it is the letter N(azis) with an attached arrow pointing outside the circle (raus))