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Old School CS

Computer Science & Engineering, explained clearly

Deep-dive essays, diagrams, and walkthroughs that turn notoriously difficult CS and engineering topics into friendly, easy-to-digest lessons. Learn at your own pace, build intuition, and ship better systems.

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Replay workshops, code walkthroughs, and visual explainers covering everything from compilers to robotics.

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Distributed Systems
Compilers
Robotics
AI Infra
Courses · Algorithms
Max-Flow Systems from A to Z
38 lessons · 4h 30min

Unlock the intuition behind network flows and matching problems. Whether you are prepping for interviews, building logistics software, or teaching your team, this series walks through theory, visual intuition, and production-grade implementations.

Crystal Lucas

Crystal Lucas

Open lesson
Courses · ML Platforms
LLM Debugging & Ops
26 lessons · 3h 15min

Build a repeatable workflow for auditing prompts, tracing attention, and shipping reliable LLM-powered features across mobile, web, and data pipelines.

Karissa Brown

Karissa Brown

Open lesson
Courses · Systems
Hardware-Constrained UX
18 lessons · 2h 45min

Learn how to align system architecture with beautiful multi-device interfaces, from firmware budgets to experiential prototypes.

Nadia Mensah

Nadia Mensah

Open lesson
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