Writing
Words & Ideas
Essays, working notes, and published analysis on technology, education, parenting, and China.
On this site
Notes
Living pages about raising children, education, technology, and the choices families make. I revise them when my thinking changes.
Six Questions I Teach My Children to Ask
The six questions we use in our family to slow down, understand what is happening, and make a more thoughtful choice.
How I Help My Kids Explain Their Thinking
The questions I use to help my children understand why they believe something—and become comfortable checking, correcting, and changing their minds.
Technology in Our Family Life
What I am really trying to teach through screen-time limits: planning, stopping, and control over your own actions.
Personal Newsletter
My Substack
Technology, education, parenting — my personal voice on what matters.
January 21, 2026
Inside China's Real Advantage: Manufacturing at Scale
Notes from Liyang, China's battery capital, and the infrastructure reshaping global supply chains…
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December 17, 2025
What Chinese Scientists Think the World Could Look Like By 2049
Where advanced technology is treated as something to shape, not something to avoid…
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November 25, 2025
AI’s Bottleneck Is Power. The US and China Feel It Differently.
The US needs more generation. But China needs more efficiency.…
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October 15, 2025
What Surprised Me Most on Our Deep Tech China Trip
Notes from inside an ecosystem defined by constraint, coordination, and speed…
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February 27, 2023
The Dangers of a Too-Hot ChatGPT Craze
甲小姐对话张斯成：ChatGPT过热容易导致错误判断 | 甲子光年…
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February 23, 2023
Coming soon
Hey there, fellow curious minds!…
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Company Newsletter
Tech Buzz China
Tech Buzz China is the company I founded to cover China's technology industry. This is a team publication — I contribute and help guide its editorial direction, but it's not exclusively my work.
August 22, 2026
China Just Reached SpaceX’s 2015
LandSpace took almost eleven years to match a landmark Falcon 9 achievement. The more important question is how long China will take to reproduce what came next.…
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August 18, 2026
China Is Betting Bigger on World Models Than It Did on LLMs
Chinese investors were cautious when the LLM boom began. This time, they are writing big checks before anyone knows which technology or business model will work.…
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August 9, 2026
SHEIN Needs a Second Business to Earn the Valuation It Wants
Slower retail growth means the valuation increasingly rests on marketplace and supply-chain services.…
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July 31, 2026
The DeepSeek Leak and China’s AI Hardware Claims
From the DeepSeek leak to Meituan’s 50,000-chip cluster, we test the biggest recent claims about China’s AI hardware stack with Ryan Cunningham of Machine Yearning.…
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Real-time Thoughts
On Twitter / X
Daily China tech analysis, education hot takes, and whatever I'm thinking about.
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Daily takes on China tech, AI in education, and what's worth paying attention to.
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