공통영어1 - 미래엔 김성연 3과 본문

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Tuning Out: The Science of Noise-Cancellation

Which is the better environment for studying: a noisy place or a quiet place?

Rarely do people want to put up with a lot of noise because it can be unpleasant and distracting.

Fortunately, scientists have invented noise-cancelling technology, which is now being used across various fields to reduce unwanted noise.

What is the scientific principle behind this achievement?

To understand this, let's examine how sound travels.