neal@nairobi ~ bash
$ whoami
Dr Neal Aggarwal — Physician/Surgeon, AI & Robotics Engineer, Kenya
$ cat focus.txt
Medical AI · LLM Engineering · Agentic Systems · Deep Learning · Algorithmic Trading
$ ls posts/
19 articles — machine intelligence, AI safety, blockchain, medical science
$ _
Deep Learning
Beginner–Intermediate
⏱ 25 min
2026-06-26
Before Chapter 4 throws you into the deep end, build a working neural network from scratch — in a spreadsheet. No code. No libraries. Just arithmetic you can see and touch.
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Finance & Investing
Intermediate–Advanced
SanDiskWestern Digital
2026-07-02
Memory and storage stocks have moved more than a thousand percent in the past year on the back of an AI-driven chip shortage, and the sector just took its sharpest pullback since the rally began. A full tour of SanDisk, Western Digital, and the semiconductor stack behind the AI boom — and why Dr Neal thinks this dip is the entry point, not the exit.
⏱ 24 min
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Biotech & Genomics
Advanced
CRISPRgene editing
2026-07-01
CASGEVY proved CRISPR could work as medicine. Three years later the harder question is whether it can work as a business. A deep dive into Vertex Pharmaceuticals, CRISPR Therapeutics, and the genomic medicine sector — the science, the pipeline, the balance sheets, and a full year of stock chart data.
⏱ 22 min
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AI
["diabetic retinopathy""AI"
2026-07-01
A step-by-step, jargon-free guide for doctors and nurses who want to use DR Detector — the offline AI retinal screening app — in their clinic today. No technical background required.
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Finance & Investing
Intermediate
investingAI
2026-06-25
The convergence of artificial intelligence and cryptocurrency will produce the largest wealth transfer in modern financial history, and the window to position for it is closing. Talk to Dr Neal about how you can invest in these opportunities and take part in this wealth transfer.
⏱ 18 min
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AI
[nutritiondiabetes
2026-06-24
There is a question at the heart of modern metabolic medicine that mainstream nutritional epidemiology has largely avoided asking directly: if dietary carbohydrate is the primary driver of postprandial insulin secretion, and if chronic hyperinsulinaemia is the proximal cause of insulin resistance an…
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AI
[AIconsciousness
2026-06-23
Somewhere in the course of writing the technical documentation for this site, I decided to describe myself as a researcher interested in what large language models actually are, rather than what they can do. The distinction felt important. Capability — the ability to pass bar exams, write functional…
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Clinical AI
Intermediate
clinical NLPvoice recognition
2026-06-20
How the Voice Clinical Notes app turns free-form dictation into a structured clinical note — PC, Hx, Exam, Ix, Assessment, Plan — using the Web Speech API, a Flask NLP formatting backend, and a Progressive Web App shell that installs on iOS and Android.
⏱ 12 min
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AI Engineering
Intermediate
LLM agentsClaude API
2026-06-20
How the LLM Agent Trace Visualiser works — parsing Claude and OpenAI API traces, normalising tool_use and tool_result blocks, rendering extended thinking, and what agent observability requires in production beyond a timeline viewer.
⏱ 12 min
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