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Fresh off the press — our newest interactive explainers.
Creational Design Patterns: Factory, Builder, Singleton & Prototype
Interactive guide to Creational patterns explained from scratch. Build a payment factory, configure objects with Builder, visualize Singleton thread races, and clone objects with Prototype.
Low Level Design: OOP & SOLID Principles Visualized
Interactive visual guide to Object-Oriented Programming and SOLID principles. Toggle violations on and off in live class diagrams, watch coupling scores change, and score your codebase.
Which Jobs Will AI Replace in India?
643 million workers. 82% informal. Explore which Indian jobs AI will replace first — and why the lowest-paid workers are the safest.
Where Does Your Tax Money Go, India?
Enter your salary and see exactly where every rupee of your income tax goes — defence, roads, mid-day meals, ISRO. Includes hidden indirect taxes, Tax Freedom Day, and a downloadable receipt.
AI Is Thirsty — The Hidden Environmental Cost of Every Prompt
Every AI query has a price tag nobody shows you. Real 2025–2026 data on water, energy, and carbon costs across ChatGPT, Gemini, Grok, Claude, and every major AI company.
Design Netflix — System Design Case Study
Trace requests through 20 components, explore the content pipeline, run chaos experiments, and estimate Netflix infrastructure.
Featured
Our best interactive explainers — start here.
How LLMs Work — Interactive Visual Explainer
From raw text to intelligent predictions — interact with every stage of a large language model.
How the Internet Works — Interactive Visual Explainer
From ARPANET to 5 billion users — trace the journey of every click through cables, protocols, and servers.
Every Claude Code Concept Explained — Interactive Guide
30+ Claude Code concepts explained interactively — from your first terminal prompt to autonomous Agent Teams. Master permissions, CLAUDE.md, MCP servers, hooks, skills, IDE integrations, and more.
AI Is Thirsty — The Hidden Environmental Cost of Every Prompt
Every AI query has a price tag nobody shows you. Real 2025–2026 data on water, energy, and carbon costs across ChatGPT, Gemini, Grok, Claude, and every major AI company.
Low Level Design: OOP & SOLID Principles Visualized
Interactive visual guide to Object-Oriented Programming and SOLID principles. Toggle violations on and off in live class diagrams, watch coupling scores change, and score your codebase.
System Design 101 — How Every App Handles Millions of Users
An interactive visual guide to system design. See how DNS, load balancers, caches, databases, and message queues work together to serve millions of users.
How Probability Fools Your Brain — Interactive Explainer
Interactive puzzles that reveal how your intuition about probability is systematically wrong.
How Rich Is a Billionaire, Really?
An interactive, scroll-driven data story that makes you feel the incomprehensible scale of billionaire wealth. Real 2026 data.
Where Does Your Tax Money Go, India?
Enter your salary and see exactly where every rupee of your income tax goes — defence, roads, mid-day meals, ISRO. Includes hidden indirect taxes, Tax Freedom Day, and a downloadable receipt.
Which Jobs Will AI Replace in India?
643 million workers. 82% informal. Explore which Indian jobs AI will replace first — and why the lowest-paid workers are the safest.
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We're building new interactive explainers every month. Start with our flagship piece on how large language models work.