@everything.in.math: India, drawn with nothing but spinning circles. 🇮🇳 Each circle spins at its own speed, and stacked together they trace the whole country, from Kashmir to Kanyakumari. 🔵 600 circles 📉 Only 0.06% off the real outline The maths: any closed shape can be written as a sum of waves (a Fourier series). Each wave is one spinning circle, and more circles mean more detail. Which country next? 👇 Map: India's official boundary · Natural Earth #everythinginmath #india #fourier #epicycles #maths

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Tuesday 27 October 2026 13:21:28 GMT