Creating Silence-Spaces in Schools

I just recently purchased good noise-cancelling headphones to block the roar of motors and the general noise whenever traveling on planes. The headphones are simply brilliant because, not only do they block in-coming noise so that the sound from on-board systems can be clearly heard, but they also block other passenger from being distracted by what I am listening to. Without these headsets I found that I was forced to turn up the sound controls to full volume and was constantly ...