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/
12 articles — machine intelligence, AI safety, blockchain, medical science
$ _
Deep Learning
Intermediate
⏱ 35 min
2026-06-19
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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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Algorithmic Trading
Intermediate
algorithmic tradingmachine learning
2026-06-20
A deep dive into the Algorithmic Trading Backtester live demo — how the synthetic price series is generated, what the three ML classifiers are actually doing, where to find the code in the GitHub repo, and which algorithms are next in line.
⏱ 16 min
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