Category: Offsites

Stuff I find valuable at key websites

Offsites

Why the ancient Greek’s rejected heliocentrism

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Post date February 27, 2025
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Offsites

How to estimate the distance to the sun

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Post date February 26, 2025
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How Aristarchus deduced the distance to the moon

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Post date February 25, 2025
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The cosmic distance ladder with Terence Tao (part 2)

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Post date February 23, 2025
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How Earth’s size was computed by Eratosthenes

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Post date February 12, 2025
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Measuring the earth with Terence Tao

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Post date February 8, 2025
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Terence Tao on how we measure the cosmos | Part 1

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Post date February 8, 2025
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The topology of two-note chords

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Post date January 30, 2025
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The space of all musical intervals

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Post date January 8, 2025
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The barber pole optical mystery

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Post date January 6, 2025
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