Writing.

November 6, 2026

The Blindfolded Hike That Explains How Machines Learn

Picture this: someone blindfolds you halfway up a hillside and asks you to find the lowest point. You cannot see a thing....

Read → October 24, 2026

Every AI Answer Is a Bet: What I Learned Teaching Stanford's Probability for AI

Ask an AI a question and watch the words arrive, one after another. It feels like the machine is looking something up....

Read → October 18, 2026

The One Idea Quietly Running Every Prediction App On Your Phone

Open your phone right now and check three things. The weather app telling you tomorrow will be 34 degrees. A real estate...

Read → September 1, 2026

How I Got 40,000 Facebook Followers in Just Two Months

Two months ago, my Facebook page had a small, quiet following. Today, more than 40,000 people follow it. I did not expect...

Read → August 19, 2026

I Built My Students an AI Assistant That's Not Allowed to Make Things Up

Ask a generic AI chatbot a question about your course, and it will answer confidently, using its own notation, its own conventions,...

Read → August 7, 2026

AI Just Posted a Perfect Score at the Real Math Olympiad. I Spent Months Building One of These Systems. Here's What It Actually Takes

In July 2026, in Shanghai, something happened that mathematicians had been debating for two years: AI systems from Huawei and Xiaohongshu were...

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