Why Don't We Feel Earth Spinning?
Sundown Science
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Why Don't We Feel Earth Spinning?
2 888 просмотров · 1 день назад
Sundown Science
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2 888 просмотров · 1 день назад
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The ground under your chair is sweeping east right now, faster than sound, faster than a bullet, and you feel nothing. For two thousand years that stillness was taken as proof the Earth could not move. So where does the feeling of a thousand-mile-an-hour spin go?
Tonight we take the slow way to the answer: an old objection about falling stones, Galileo's windowless cabin, a pendulum swinging in Paris, and the quiet principle underneath them all.
Get comfortable and let this slow walk through the physics of a turning world keep you company tonight. Subscribe to Sundown Science if you enjoy taking the long way around the universe.
CHAPTERS
0:00 Introduction
1:29 The Feeling Of Standing Still
11:04 How Fast You Are Moving
21:40 The Oldest Objection
32:45 Galileo Below The Decks
43:40 Moving Versus Changing
55:11 You Are The Earth
1:05:42 The Tug You Almost Feel
1:16:42 Foucault And The Pendulum
1:27:54 The Hand In The Weather
1:38:12 Machines That Feel It
1:48:28 The Layers Beneath The Spin
1:56:45 Why You Feel Nothing
SOURCES
How Fast Does Earth Spin? — Britannica — https://www.britannica.com/science/Ho...
Earth's Rotation and Centripetal Acceleration — Physics Van, University of Illinois — https://van.physics.illinois.edu/ask/...
Gravitation Near Earth's Surface — Physics LibreTexts — https://phys.libretexts.org/Courses/M...
How fast is Earth moving? — Space.com — https://www.space.com/33527-how-fast-...
What speed is Earth moving? — Smithsonian National Air and Space Museum — https://howthingsfly.si.edu/ask-an-ex...
Foucault pendulum — Britannica — https://www.britannica.com/science/Fo...
How Does Foucault's Pendulum Prove the Earth Rotates? — Smithsonian Magazine — https://www.smithsonianmag.com/smiths...
Foucault and the rotation of the Earth — Comptes Rendus Physique (ScienceDirect) — https://www.sciencedirect.com/science...
Rotation of the swing plane of Foucault's pendulum — arXiv — https://arxiv.org/pdf/0805.1136
Effects of Earth's Rotation: Apparent Forces — Geosciences LibreTexts — https://geo.libretexts.org/Bookshelve...
The Coriolis Effect — National Geographic Education — https://education.nationalgeographic....
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Disclaimer: All videos are produced for entertainment and education. Factual claims are sourced from peer-reviewed research and official scientific institutions. Where a video explores speculation, fringe theories, or the creator's own analysis, it is clearly labeled as such. Sundown Science is not a news outlet. Watch at your own discretion.
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