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π

Jono shared this amazing awesomeness/creepy nightmare: pi

sorry guys

both my computers were dead for a while, so there haven’t been many posts lately. so here’s some fun stuff to help make up for it

these guys are crazy
personal visualization
David Foster Wallace: The Best Mind of His Generation
vdash: a wiki of formal mathematics
earth from above and the sun
nyc cheat sheets
paul krugman:ricardo’s difficult idea and how I work
making faces more beautiful
He Tehine te tangata puhuru huru
15 uses for small black holes
wedding ring ciphers
in defense of piracy
[warning, freaky:] lego anatomy cross-section

The Geometry of Music

Dmitri Tymoczko, Composer and Music Theorist. (Time article, Science article, supplementary material)

who invented the calculus?

did archimedes invent the calculus?

math check

did this get cashed?

learn something

MathPages

what color is your hat?

NYT: Why Mathematicians Now Care About Their Hat Color

I’m reserving comment until some yosefblogger solves this. And remember what Pólya said: “If there is a problem you can’t solve, then there is an easier problem you can’t solve: find it.”