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scienceFeb 26, 20266:16pending

Geodesy: Measuring a Lumpy Earth

About this episode

A deep dive into the science of Earth's real shape, orientation, and gravity. From Newton's era to modern VLBI and the potato‑shaped geoid, we show how millimeter precision and timekeeping—soon via optical clocks—keep your blue dot accurate and your GPS reliable, even as continents drift.


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Geodesy: Measuring a Lumpy Earth

Intellectually Curious

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