Rachel Thomas
researcher answer.ai
interested in education, immunology, & AI
fast.ai co-founder, math PhD, data scientist
Writing: rachel.fast.ai
- Vibe coding is the creation of large quantities of complex AI-generated code. Executives push lay-offs claiming AI can handle the work. Managers pressure employees to meet quotas of how much code must be AI-generated... yet results are far from what was promised 1/ www.fast.ai/posts/2026-0...
- “When [I first got] hooked on Claude, I did not sleep. I spent two months excessively prompting the thing & wasting tokens. I ended up building & building & creating a ton of tools I did not end up using much...” Armin Ronacher described his experience of "agent psychosis" 2/
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- Close reading is a technique for careful analysis of a piece of writing, practiced by many ancient cultures, major religions, & academic scholars. The latest fastai course experimented with using AI to go deeper when reading. 1/ www.fast.ai/posts/2026-0...
- Using an LLM, @howard.fm reads Eric Ries's new book. He sets up necessary context & creates handoff notes to maintain continuity across chapters. Jeremy follows rabbit holes, seeks counterexamples, & asks how the book's principles apply to his own startup. 2/ www.youtube.com/watch?v=zIqL...
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- Two (conflicting) executive orders were made this week: - freeze on comms from scientific & health agencies - investment in medical AI w/ bold promises These highlight common misunderstandings & obfuscations about the relationship between data, AI, & power My post rachel.fast.ai/posts/2025-0... 1/
- What AI can tell us about microscope slides: classifying cancer cells, predicting prognosis, and identifying genetic mutations that may drive treatment choices. My latest post is a friendly introduction to Foundation Models for Computational Pathology: rachel.fast.ai/posts/2025-0... 1/
- "With LLMs the main uses are to produce outputs that are extremely similar to the training set. But the point of computational drug design is to deal with cases that are new... Copying from what we know already will only get you so far." -- @dereklowe.bsky.social www.science.org/content/blog...
- Nature Method of the year for 2020 was Spatial Transcriptomics and for 2024 it is Spatial Proteomics. Sounds like this is the decade for spatial -omics!
- I could not be more thrilled to announce the Nature Methods @naturemethods.bsky.social Method of the Year is Spatial Proteomics! Please see our editorial as a roadmap to the fantastic content in this special issue! www.nature.com/articles/s41...
- Single cell profiling obscures profound spatial heterogeneity. Even if these 4 samples had the same proportions of cell types, the spatial arrangement is vastly different. @lochlanfennell.bsky.social #multiomics2024 1/
- Spatial biomarkers are associated with immunotherapy response & can help treatment decision making Tumor cell subtyping of non-small cell lung cancer found 5 distinct tumor clusters which differed in outcomes -- Ettai Markovits of NucleAI kicking off computational bio session #multiomics2024 1/
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