Joan Birman thought her major discoveries were behind her. Then came an email from a young neighbor — a girl who knew little but wanted to learn.

A world map of the positions of satellites above the Earth's surface, and a planetarium view showing where they appear in the night sky.

2025 IOCCC entry cable - Best imaginary emulator

There are a few ways to attempt to parse a string into a number in the C standard library. They are ALL broken.

Easily find the exact time difference with the visual Time Zone Converter. Find meeting times for your contacts, locations and places around the world. Never warp your brain with time zone math again.

My last Herald column: A city safe for cycling is a city fit for every good purpose.