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A man has had his mind blown after discovering how noise-cancelling headphones actually work – and you will be gobsmacked too. He took to TikTok to explain the phenomenon, and people were shocked to find out it’s not the ear cushions that muffle the sound. How noise-cancelling headphones actually workIt all comes down to physics. Sound waves are cancelled out when an opposite sound wave is played at the same time, resulting in complete silence, LibreTexts/16%3ASound/16.4%3AInteractionswithSound_Waves#:~:text=By%20playing%20a%20sound%20with,this%20cancel%20each%20other%20out.) explains\. “Noise…

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