Programming is the topic of much of this site, including how to get started.
On a lighter note a miscellany of charming technical things or nontechnical things.
Information on science, math, and statistics.
How to organize yourself or teams and groups.
I write fiction and poetry (including one novel so far), and provide some advice.
Thoughts on how we organize our society and politics (including endorsements).
I used to write travelogues of my trips. The biggest one was of my trip to Japan in 2009.
Lots of people ask me for book recommendations.