Noise-Canceling Headphones

How do noise-canceling headphones work? How did they come about. In the 1970s, Dr. Amar Bose was on a flight and was frustrated with the noise he was hearing and worked on making a way to cancel out the noise. Several years and millions of dollars later, he was able to create noise-canceling headphones.

Sometimes noise will leak through because they works better where there is consistent noise, like on an airplane, subway, or train.

Find out more in this video from TechInsider: