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Inverse-Square Law

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Hacker News | Sep 14, 2026 | surprisetalk

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We know that the cylinder’s outer surface area is just circumference times height, so we can write that Stube = 4𝜋r2. Each tile has a surface area of a2. We also mapped each cylinder-side tile to a polygonal tile constructed on the surface of an inscribed sphere (radius r). But all we’re really interested is its surface area, h × w.

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