I was wondering why there were two server patches in such quick succession.
remon
That just brings us back to lasers, though.
Right, I just mentioned that in another comment. I'm not quite sure it would count under OPs restrictions:
The only pattern/material that comes close to what OP is looking for would be a parabolic mirror. If you attach one of these to your shirts and than stand at the exact right angle and distance to a camera, you could damage it. However that is already stretching “passive” because it would require a lot of deliberate actions to position yourself that way. And it pretty much only works when the sun is out.
Unless they invent some kind of new force of physics all you can do here is reflect ambient light.
The only pattern/material that comes close to what OP is looking for would be a parabolic mirror. If you attach one of these to your shirts and then stand at the exact right angle and distance to a camera, you could damage it. However that is already stretching "passive" because it would require a lot of deliberate actions to position yourself that way. And it pretty much only works when the sun is out.
A even worse option would be wearing a shirt made from a radioactive material. (but is it still passive when you're using something radioactive?). And of course this wouldn't just damage the camera but also very much the cameraman, the wearer and anyone else that is around.
Not passive. Won't damage cameras.
It's not possible to damage cameras passively, so there isn't an answer. But if it was possible it probably would be made illegal to wear those around cameras.
I bought a train ticket at a ticket machine with cash when I was in Sweden last year.
1 & 2 are no problem at all, I did that till a couple of years ago.
Presumably because they have the qualifications they are looking for. Being good at hacking is very useful when it comes to cyber security.
Water bugs are a roach
They are absolutely not. Entirely different order of insects.
They don't. They do evaporate though.