How did quietness become a sign of quality? [Advertiser content from 3M]

Absolute silence doesn t actually exist in nature. Even in the quietest of spaces, there’s still wind blowing, air conditioners humming, and birds chirping. But there s also a huge field of study devoted to quietness. Go inside a Minnesota facility that s devoted to studying the science of silence and find out how silence actually became golden. Paid content presented by 3M: https://www.vox.com/ad/17417806/history-silence-noise-headphones-anechoic-chamber Vox Creative - https://www.youtube.com/voxcreative Confused about branded content? The Vox Video team explains here: https://youtu.be/FpKY9KaZJC0?t=5m6s