Noah Han Blog

Upgrading your kitchen appliances is one of the most rewarding home improvement projects you can undertake.

My Suburban’s AC developed a sharp odor that honestly smelled like pee — and with young kids at the time, I even wondered if someone had an accident in the car.

A structured, engineer‑focused introduction to the “Foundations and Frontiers of Large Language Models” series — connecting the core principles, architectural breakthroughs, engineering paradigms, and emerging system‑level patterns behind modern LLMs.

A software engineer's guide to upgrading a 2013 GMT900 Suburban to a modern wireless CarPlay/Android Auto infotainment center.

I replaced my old tank water heater with a high‑efficiency tankless system, a full‑day DIY project involving permitting, electrical wiring, gas line reconfiguration, copper pipe soldering, drilling new wall vents, and installing a condensate pump.

A pragmatic guide to using Weka's GUI for quick baseline classification, parsing CSV constraints, and extracting the power of traditional ML models like SMO (SVM).

Deconstructing the physical mechanics of pulse dialing, the linguistic origin of 'dialing', and a childhood experiment in manual hardware hijacking via telephone hook switches.

Deconstructing language learning into a deterministic system.

A deeply personal retrospective on overcoming a broken 16-year dream, surviving a multi-dimensional life crisis, and the aggressive re-learning sprint that launched my technical career.

A professional retrospective on Will Smith's classic film, exploring the semantic layer of the American Dream and why true tech leadership requires an unyielding willpower.

A semantic and logical analysis of Stanley Milgram's obedience study, exploring how 'simply doing one's job' can inadvertently fuel destructive processes in complex organizations.

A philosophical journey through Robert Frost's classic poem, exploring the modern tech industry's struggle between relentless execution and the divine necessity of replenishment.

A retrospective analysis of Eugene Nida's functional equivalence theory and sociosemiotics, and how these classical translation philosophies mirror modern cross-lingual LLM alignment.

A literary reflection on the juxtaposition of high-art poetic structures and the gritty, unpolished textures of everyday urban life.

A cross-disciplinary retrospective on Mark Twain's classic novel, exploring how childhood psychology, game design, and systemic behavior mirror the modern tech world.

A deep dive into the underlying mathematics of Conditional Random Fields (CRF), why they still matter in the age of LLMs, and a practical step-by-step guide to implementing sequence labeling using CRF++.

TL;DR: One year after relocating to the US, a veteran software engineer breaks down the reality of global IT job hunting.

Looking back at my first decade in the IT industry, this post captures my evolution from a pure tech-geek to a design-focused developer, and finally, to someone who understands that thinking methods trump technical stacks.