BUILD A MENTAL MODEL
Learn it.
Build it.
Textbooks explain durable ideas. Dated notes preserve what changed.
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MEMORY & SEMICONDUCTORS
Connect memory bandwidth, manufacturing, and semiconductor business economics.
POWER & COOLING
Trace electricity, time to power, cooling, and capital intensity.
OPTICAL NETWORKING
Understand optical links, network bottlenecks, qualification, and value capture.
MARKETS & FINANCE
Read prices, financial statements, macro data, and conditional valuation scenarios.
VIDEO
From references to shot design, generation, and editing.
IMAGE
Control composition and constraints to create consistent images.
LOCAL LLM
Run models locally and understand memory and speed.
INFRASTRUCTURE
Connect models, edge services, data, and voice.
OPEN SOURCE
Inspect open-source software and make adoption decisions.
HACKER NEWS
Observe technical discussion, then verify claims at their primary source.
Y COMBINATOR
Read YC’s public signals and company material without treating them as recommendations.
RESEARCH
Turn new mechanisms into experiments you can run.
DECISIONS
Isolate semantic decisions and evaluate them in a system.
EMBODIED AI
From perception to action: learn embodied AI.
RUST
From ownership to practical product design across 30 stages.
COMPUTER USE
Learn observation, action, verification, and explicit recovery.
CLOUDFLARE
Design service boundaries, delivery, and verification at the edge.