The last few months I’ve been using a Jawbone tracker. It’s a small bracelet which keeps track of steps and sleep patterns. And it’ »

Goodbye AppEngine

I recently ported the blog to Ghost. Now it's time to say goodbye to AppEngine. I had to make several updates in order to keep the »

MailChimp Mailing List

Yesterday I finally finished porting over the blog content from the old platform into Ghost. And today I set up a new mailing list using MailChimp. »

Hello Ghost

Let's see how this works out. New blogging platform. Hello Ghost! I really like the markdown editor of Ghost. It's very easy to add things like »

Excel Reports

Everybody who has spent some time working in a business of any size knows that Excel is ubiquitous. It's surprising that there are so few companies »

A Simulation of the Universe

A new detailed simulation of the universe: The Illustris project is a large cosmological simulation of galaxy formation, completed in late 2013, using a state of »

A Raytracer in a Business Card

A raytracer in the back of a business card! Here is the code: And the output: Kudos to Andrew Kensler, and thanks to Fabien Sanglard for »

A Github-like Activity Chart

One of my favorite features from github is the activity chart that appears in the user profile. For example, this one from user jmcnamara: However, I »

Blog Redesign and Social Buttons

Hello, internets! I just redesigned the look & feel of the blog. The new design has bigger font sizes and less distractions. It's optimized for mobile so »

Masters of Doom

A few weeks ago I had the chance to read Masters of Doom by David Kushner and found it very interesting. It tells the story of »