GoochyGoochyGoo t1_j2e52za wrote
Reply to comment by jswansong in Eli5 How exactly does Noise cancellation work? That too in such small airbuds by Professional-Ad3441
Those nose bulbs you see on big ships are specifically tuned for each ship and do the same thing with water waves. Lowering friction along the side of the hull and thus improving fuel mileage. As much as 10%.
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