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A hexagonal ring of squares doesn’t just look pretty— it folds into a perfect cube.
This graceful transformation reveals the power of topology: how flat surfaces become strong 3D forms through clever alignment and folding.
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Math.
Interactive Spiral of Theodorus. The kth triangle in the sequence is a right triangle with the side lengths √k and 1, and with hypotenuse √(k+ 1).
By Daniel Mentrard, @dment37, Used with permission. geogebra.org/u/daniel+mentra…
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Strange universe. Ancient magical math from India.
“Inscribed Lotus” (Padma Vrtta), by Indian mathematician Nārāyaṇa (1356). Certain groups of 12 numbers have the same sum, 294. More colors below. Info: archimedes-lab.org/2020/12/2…, used with permission [mathematics, maths]
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Engineering, mathematics. Unconventional gears.
The center of a logarithmic spiral traces a straight line as it is rolled.
By Matt Henderson, @matthen2, used with permission.
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The 1-2-3-4-5 Egyptian Tangram and 3:4:5 Right Triangle Decoded.
#egyptiantangram #pythagorastheorem
