Noise cancelling technology like that used in the new Apple Airpods Pro and Bose headphones was originally invented in the early 1980s to prevent ear damage for pilots and was later used by tank crews in the US Army. Source: https://www.newscientist.com/article/mg13618504-100-how-do-noise-cancelling-headphones-like-apple-airpods-pro-work/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…