Elon Musk
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The value of extreme precision
Math Files@Math_files· Mar 10, 2026In 1798, a scientist effectively “weighed” the Earth — without leaving his laboratory.
The English scientist Henry Cavendish designed an incredibly sensitive experiment.
Inside a quiet wooden shed, he hung a horizontal rod from a very thin wire. Two small lead spheres were
08:27 PM · March 10, 2026 · 29.9M views
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