AI, Data, Digital Twins, and Information
Hala NelsonAn honest career story, and short letters simplifying AI, digital twins, data strategy, and the modeling, mathematics, and engineering skills for the AI and data driven industries. Life and culture lessons that I learned the hard way \ud83d\ude09.
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 18 | Founded | 3 years ago | Last Issue | 4 months ago |
| Active | |||||
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From Consumer to Builder
Most professionals use AI as a consumer: open a tab, type a prompt, read the response. This is not a workflow. Building on the API changes that. We can assemble a working agent that runs entirely on a local machine, in an afternoon, using w...
Model Upgrades
AI models degrade over time through concept drift—the statistical properties of input data shift as the world changes, causing model accuracy to decay. A predictive maintenance model trained on equipment operating under normal conditions ma...
Can we Actually Implement this Architecture?
From the Preface:
We never interpret AI-powered digital twins as fully formed systems operating without constraint. In practice, their implementation is incremental and shaped by engineering limits, organizational realities, and safety...
From the Preface, for those wondering about AI-Powered Digital Twins
AI-powered digital twins are the culmination of a century of scientific and digital progress—a living mirror of physical assets, systems, and processes that ingests real-time data, runs AI-driven simulations, and optimizes performance. They...
AI Reshaped Authorship- I wrote a book before AI and a book after AI
AI Reshaped Authorship- I wrote a book before AI and a book after AI. Here's the difference:
How I Wrote This Book
AI has reshaped authorship and creativity so profoundly that working on this book often felt like collaborating with a...
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Authors
The writers behind this newsletter.
Author of the popular book Essential Math for AI (O’Reilly 2023) and the upcoming AI-Powered Digital Twins (Wiley 2026). A university math professor. A co-founder of a digital twin startup. An advisor for the public and private sectors.
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