A step-by-step method for turning a YouTube video's content into flashcards that actually test recall, plus what makes a card good versus a card you'll skip.
The science behind spaced repetition in plain terms: why spacing review out beats rereading or cramming, how an SM-2-style scheduler decides when to show you a card, and how to use it without an app.
Both are forms of self-testing, but they're not interchangeable. Here's what each is actually better at, and how to use them together instead of picking one.
Free credits every day, no card required.
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