Musings on Math, Music, Miscellanea. An Activity for Pi Day. Geogebra is dynamic, so you can change the size of the circle, but the ratio will remain constant at pi. Coding With Processing, Part 5.

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ORIGIN OF OUR UNIVERSE! GRAVITATIONAL WAVES AND COSMIC INFLATION! Damn the cosmology is confusing yet extremely interesting.

Incidence Bounds and Interlacing Eigenvalues. Is one of the central results in discrete geometry. , the number of point-line pairs with the point lying on the line, between finite sets of points and lines in the Euclidean plane. Be finite sets of points and lines, respectively, in.

This is a tessellation of Penrose tiles. Penrose tiles can be arranged, as has been done in this image, such that the tiling never repeats, no matter how many tiles are used. The two different tile shapes are a wider rhombus and a thinner rhombus. Additionally, each tile has been filled with four pursuit curves. The dark curves from each corner to a point neat the centre of the tile. Is a complex variable, and. Are complex numbers satisfying ad.