Page shows one of nineteen trillion simple maps of the United States, will show a different map the next time loaded.

A well-known theorem proves that with only four colors, any simple map of can be drawn so that no color touches itself. The next step is to ask how many ways there are to accomplish this simple task. For the contiguous United States, there are over nineteen trillion different maps that use only four colors. Even the tightest constraints can yield near-infinite variety.

traces of chalk almost two weeks later

Occasional sentences.

Did I ever mention that I have a tumblr? It's mostly pictures of glacial erratics, invasive species, and the occasional piece of art. Hi.

My bookmarking has moved to Pinboard. Thanks for all the good times, Del.icio.us, you were a lot of fun for a while.

SLC protects me from Cameron Diaz

the sun is directly above gertrude stein's childhood home

When delicious dies, my bookmarking will be resurrected and live on here.

all the streets of selected cities, centered horizontally and vertically. i did this.

maps of the numbered streets in various cities, colored by the size of the number

Where are your stadia?

"The fifty largest metro areas (in blue), disaggregated from their states (in orange), scaled and sorted by population."

SP Weather Report. September 2008 weather data encoded in curves. Inkjet print.

All identically named places (cities, towns, villages) in the US connected by a line.

skyscrapers connected in height order for various cities. (if anyone knows how to geocode in japanese, let me know...)

Latest addition to fitnr: A graphing tool that visualizes distribution of the US population in custom population density ranges. Choose quantile or equal interval.

CVS cam video of landing at Louis Armstrong Intl taken 18 months ago. I thought that this upload didn't work, but I guess it did.

now with 2006-7

Brookyn Typology is an investigation of housing in the urban landscape of Brooklyn, NY. It consists of thousands of photographs taken in a sample of 112 blockgroups in Brooklyn, plus lots of census data.

Abstract line drawings, generated by the NYC Dept of Ed.

Newly updated with 1999 data! Now with 68 countries

"But great men:- the word is injurious. Is there caste? Is there fate? What becomes of the promise to virtue?" ... "Never mind the taunt of Boswellism: the devotion may easily be greater than the wretched pride which is guarding its own skirts. "

redivides the territory of the United States into 50 bodies of equal size

now mit del.icio.us tag cloud

meat my neighbors in meatspace

trace of 1 year in NYC

subways systems presented on the same scale

pictures of major intersections in chicago

proposal for additions to chicago subway