Sound: Crash Course Physics #18
9:39
YouTubeCrashCourse
Sound: Crash Course Physics #18
We learn a lot about our surroundings thanks to sound. But... what is it exactly? Sound, that is. What is sound? And how does it travel? And what is this doppler effect that we've heard so much about? In this episode of Crash Course Physics, Shini goes over some of the basics (and some of the not-so-basics) of the Physics of Sound. -- Produced ...
1.9M viewsAug 4, 2016
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Production of sound | Mechanical waves and sound | Physics | Khan Academy
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Production of sound | Mechanical waves and sound | Physics | Khan Academy
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This sound will reset your brain. Most “healing audio” online feels relaxing… but the real frequencies are usually buried under layers of music — so your brain never fully receives the effect. These tones are different. They’re built using the Golden Ratio (1.618…), the same pattern woven through seashells, galaxies, pinecones, flowers, and even your heartbeat. When sound follows that ratio, the brain shifts almost instantly: 🧠 Mental noise quiets 💗 Your nervous system drops into safety ⚡ Your
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This sound will reset your brain. Most “healing audio” online feels relaxing… but
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