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Meta
Category Archives: sciences
more hyperbolic stuff
I put a series of tilings of the hyperbolic plane on Wikimedia Commons.
Posted in mathematics
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toward a graceful imitation of the crude
I’ve long had an idea to design “outline” typefaces which, at appropriate low resolution, would mimic certain bitmap fonts that have sentimental resonance. The orange discs are the original dots, of course. The blue arcs are least-squares fits (linear, quadratic) … Continue reading
to save some integrating
For my own future reference, in case I lose the bit of paper on which I jotted it. In a function of period 2π, a unit step discontinuity in the nth derivative at phase α contributes this to the Fourier … Continue reading
Posted in mathematics
3 Comments
wiggly lines
A few people will recognize immediately how and why I did this.
Posted in heraldry, mathematics
3 Comments
if MCE were alive
My strip representation of the hyperbolic plane inspired Vladimir Bulatov to explore weirder conformal mappings thereof. (Conformal means angles are preserved.)
Posted in eye-candy, mathematics
1 Comment
in memory
Dan Alderson once made a map of nearby stars by mounting little colored spheres on threads strung between holes in two sheets of heavy clear plastic. It occurs to me that, taking the stars in pairs, he could use half … Continue reading
Posted in astronomy, fandom, mathematics
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two links about medical policy
blogpost on medical licensing surprisingly sane Atlantic article on the structure of the health biz Update: Twice in 2018, people urged me to improve this page by adding links about addiction and vaping. If it happens again, I’ll suggest that … Continue reading
Posted in medicine, politics
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