Hey, I'm @cba and these are some of my software projects and photo sets (ordered by how much I like them).

I'm a color scientist and software engineer in San Francisco, feel free to get in touch:

Color Science

Oct 2018

Some essays on color and imaging.

3D Projection for Pen Plotters

April 2019

A talk I gave at the SF Pen Plotter meetup about 3D projection and 4x4 matrices (40 min).

Instant Messaging Art

last updated: Dec 2015

I've been cataloging all my instant messaging and sms since 2007 for various data projects. Some of the parsing scripts and d3 snippets are on Github.

60 Photos from West Africa

March 2013

These are probably the best photos I've ever taken, though I'm always trying to find ways to one up them.

Vienna to Venice

August 2015

Four of us went on a 2 week, 450 mile bike camping adventure across 3 countries, I recorded it all with a Garmin, a Moleskin, a Hasselblad and Twitter.

Film Photography for Rationalists

May 2014

I get asked a lot why I shoot film so I wrote it all down.


Nov 2014

The pictures in this post mean a lot to me. They span 5 years, feature 30 friends and 13 strangers, and they were all taken on one of my film cameras.

Levi's Granfondo Viz

Oct 2014

Compare any rider's performance from the 2013 Levi's Granfondo , speaking of performance, this viz loads incredibly slow.

How The Internet Works

March 2016

Slides for a intro to TCP/IP talk I gave to Hackbright Academy . There's certainly plenty of work to be done here to improve these slides. I didn't even have time to talk about UDP!