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Notes about notes.

Learning science, engineering deep-dives, design notes, and student stories. Long-form, well-cited, mostly evergreen.

edit_noteLearning science

Why spaced repetition beats cramming, every time

Spaced repetition schedules reviews right before you forget — the science behind why it beats cramming, and how the SM-2 algorithm decides when to show a card.

Apr 22, 2026·8 min read
edit_noteWorkflows

From a 90-minute lecture to a 6-minute read

How to turn a long YouTube lecture into clean, timestamped study notes in minutes — the exact NoteSparkAI workflow, plus tips for getting better summaries.

Apr 8, 2026·5 min read
edit_noteEngineering

We will never let our AI hallucinate your textbook

An engineering deep-dive on the retrieval and citation engine that grounds every NoteSparkAI answer in your own library — and refuses to answer when it can't.

Mar 30, 2026·11 min read
edit_noteStories

How 12 minutes of flashcards saved my finals week

Three students from MIT, NUS, and Stanford on how a short daily flashcard habit replaced all-nighters — and the simple routine you can copy.

Mar 14, 2026·6 min read
edit_noteDesign

Why we shipped a Cornell layout — even though nobody asked

Designer notes on revisiting note layouts after 2,400 user interviews — what the Cornell method gets right, and how we adapted a 1950s system for an AI study app.

Feb 20, 2026·7 min read
edit_notePrivacy

Your notes will never train an AI model. Here's how we enforce it.

A plain-English look at how NoteSparkAI keeps your notes out of AI training data — zero-retention agreements, contractual terms with model providers, and the audits we run.

Feb 4, 2026·5 min read

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