Noise-cancelling headphones have become pretty popular over the last decade or so — here's how they work. The concept actually dates back to 1978 when Dr. Amar Bose, an MIT professor, created the idea on a flight he was on. MORE HEADPHONE CONTENT: We Tried $200 Bose Headphone Sunglasses https://www.youtube.com/watch?v=iSuBEJfDaGg $150 Headphones Made From Trash https://youtu.be/mog-GvZkIPA We Tried Louis Vuitton's $995 Headphones https://www.youtube.com/watch?v=Oe8hx4FPXss ------------------------------------------------------ #Headphones #Audio #TechInsider Tech Insider tells you all you need to know about tech: gadgets, how-to's, gaming, science, digital culture, and more. Visit us at: https://www.businessinsider.com TI on Facebook: https://www.facebook.com/techinsider TI on Instagram: https://www.instagram.com/tech_insider/ TI on Twitter: https://twitter.com/techinsider TI on Amazon Prime: http://read.bi/PrimeVideo INSIDER on Snapchat: https://insder.co/2KJLtVo How Noise-Canceling Headphones Work