John Baez is an American mathematical physicist, and a professor of mathematics at the University of California Riverside, and an activist for the environment. I have been in touch with him via ema…

What makes UI engineering difficult?

Whether it's a secluded residential treatment center or a 12-step group, the Seattle area has become a hub for treatment of extreme tech use. The addiction diagnosis, not officially recognized, crops up among tech workers and others.

How is the U.S. actually split geographically?

Some of the wealthiest people in America—in Silicon Valley, New York, and beyond—are getting ready for the crackup of civilization.

The Chinese authorities blocked activities of centers run by American universities and financed by the State Department. After 10 years, none are left.

The first sign of trouble was the ever-extended launch date.

How to make a robust crystal radio. DIY step by step. No special tools or skills needed. Most parts can be had from recycled things. The purchased parts run about $3. Good during power failures, when batteries are not available, for prepping and similar.…

New research shows that people with depression use absolute words, such as "always," "nothing," or "completely," more often than others.

The New Horizons spacecraft is expected to confirm its successful pass of a far-flung world.

To read an updated on this story please click on this link: Chinese Crankshafts for Corvairs, update 2/17/13.  If  the pictures on this story are small, try clicking on the F5 key at the top of you…

Talon is a programmable voice recognition system that helps me code by voice—something that isn't feasible with macOS' built-in dictation.

Blame the government for the rich getting richer and the poor getting poorer in the Golden State.

Several mathematicians under the age of 30 left their marks all over the field, and amateur problem-solvers of all ages made significant contributions to long