Also the "kid repeller" devices (because yes, it also includes younger people such as infants, and also older people), is that it just makes the world a hostile place for young people, and then later people turn around and complain how "nobody goes outside anymore"
We don't have a range, and I use portable 110v induction cookers. I love them so much, but I must have music or YouTube or something playing while cooking, or I want to stab a fork into my own ears
I don't think that there's any fundamental reason that an induction cooker needs to be doing anything around 20kHz. I'd guess that it's just the power supply happening to be flipping power on and off at that frequency.
Some kids at my high school tried that on their phones, but it never worked because all the other kids in the room would cuss them out for basically inflicting the entire room with mosquito-in-ear noises.
I wish I knew. It was in the cafeterias at work, and I would be the only person in a room of a hundred who was standing there plugging my ears and cringing from the pain.
I hear the chirping of shoes on televised basketball games. No one believes it until you meet someone else who can hear it too. Some people can just hear higher pitch sounds.
I don’t know. I thought everyone could too. Until it turned into an argument at like thanksgiving or something. I don’t watch sports but the rest of my family does.