WRITING / NOTES
Writing
- The Heart Study I Joined 11 Years Ago Became OpenMHC
My Heart Counts, a study I joined in 2015, has grown into an open wearable-research infrastructure containing roughly 60 million hours of data.
- A Biohacker's Guide to the Visual Interface: Treating Glasses as the Optical Layer of the Human I/O Stack
A systems-engineering guide to glasses: refractive correction, lens choice, fitting, maintenance, and ROI for biohackers and technical people.
- Prawn Crackers
A familiar childhood snack became a small reminder that food, memory, and culture are usually more migratory than local myths suggest.
- My Annual AI Bill, 2025 Edition
If AI is becoming everyday infrastructure like water and electricity, my real 2025 cost was about 3050 USD and more than 2 billion tokens.
- Why Everyone Should Pay Attention to Continuous Glucose
A biohacker's first CGM experiment: using continuous glucose monitoring to understand food, metabolism, and body feedback.
- Lighthouses Point the Way, Torches Fight for Sovereignty: The Hidden War Over AI Distribution
The split in AI is not only a conflict between tech giants and open source, but a redistribution of frontier capability, public baselines, and control over intelligence.
- AI Is Reshaping Crypto Development: At Least 14% of Top Projects Now Code with AI
A survey of 1,000 highly starred crypto repositories found explicit evidence of AI-assisted coding in at least 137 projects.
- Newshacker.me: Turning Hacker News into an Anti-Echo-Chamber Entry Point
The launch note for Newshacker.me, a Chinese Hacker News digest built around higher-quality sources and exposure to different points of view.
- Tianyuan Chemical Factory
A small trail of curiosity connecting Jimmy O. Yang's family history, Tianchu MSG, Tianyuan Chemical, and a familiar place from my school days in Shanghai.
- An Early Newshacker.me Experiment: Pushing Hacker News Digests to Telegram
An early experiment using the o3-mini API to summarize Hacker News discussions and push the results through a Telegram Channel.
- How I Received a Bitcoin Faucet Airdrop in 2011
A personal data archaeology exercise using old Google Reader and Dropbox archives to reconstruct how I created my first Bitcoin wallet in 2011.