neal@nairobi ~ bash
$ whoami
Dr Neal Aggarwal — physician, AI engineer, electronics builder, Kenya
$ cat focus.txt
Medical AI · LLM Engineering · Agentic Systems · Deep Learning · Algorithmic Trading
$ ls posts/
13 articles — machine intelligence, AI safety, blockchain, medical science
$ _
Deep Learning
Intermediate
⏱ 35 min
2026-06-19
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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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Clinical AI
Intermediate
pharmacologydrug interactions
2026-06-20
How the Drug Interaction Checker works — covering the CYP enzyme system, QTc prolongation, serotonin syndrome, the triple whammy, and the engineering decisions behind building a deterministic, explainable interaction screening tool in Python.
⏱ 14 min
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AI
[AIAGI
2026-06-20
There is a scene in the *AlphaGo* documentary — the 2017 film by Greg Kohs — that stops almost everyone who watches it. It is game two of the 2016 DeepMind Challenge Match in Seoul, and AlphaGo has just played Move 37. The move places a black stone on the fifth line of the board in a position that, …
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AI
[AIAGI
2026-06-20
Sometime in the early 1990s, a teenage programmer in London was grinding through the development of a Theme Park game when he needed a cheat code. He chose "Horza." In 2018, he explained why: he had recently finished Iain M. Banks's *Consider Phlebas*, the first novel of the Culture series, and the …
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Clinical NLP
Intermediate
clinical NLPnatural language processing
2026-06-20
A detailed walkthrough of the Clinical Text NLP Extractor live demo — how the rule-based entity extraction pipeline works, what each entity type captures, where the code lives, and how this maps to the fine-tuned BioBERT system used in production clinical informatics work.
⏱ 14 min
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Engineering
Intermediate
Web Audio APIJavaScript
2026-06-20
How the Binaural Beat Generator works — Web Audio API graph construction, real-time oscilloscope rendering, brainwave frequency bands, and exporting a 60-second stereo WAV entirely client-side using OfflineAudioContext.
⏱ 8 min
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