🎓 Learning Hub

Two hands-on courses built for short attention spans: 5-minute lessons, live animations, instant feedback, and real practice. Do one thing, get a win, come back tomorrow.

🧠

Algorithms Gym

Data structures & algorithms from zero, in Java. Step-through animations of every idea, then small Java exercises you write and run in the browser (on the phone too), with hints and friendly feedback.

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☸

Kube Dojo

Kubernetes from mental model to production. Animated internals plus a simulated cluster with a real kubectl terminal: auto-checked labs and incident challenges where you break and fix things.

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How to use these without burning out

⏱ Sprint, don't marathonHit the Focus button and do a 15-minute sprint. One lesson or one problem. Then stop, even if you're on a roll.
▶ Just press ContinueThe home page always knows your next step, so there's nothing to decide.
🧠 2 minutes of reviewFlashcards use spaced repetition. A quick review each day beats a 3-hour cram.
⌨️ Keyboard-firstUse ← → to move between steps, 1–4 to answer quizzes, and f for focus mode (hides the sidebar).
💥 Break thingsThe k8s cluster is fake, so delete everything. Reset any lab with one click.
☁️ Sign in everywhereUse the same account on your phone and laptop. Progress merges automatically, even if you studied offline on both.