Ebbinghaus showed how memory declines quickly after exposure, then levels off. Reading suffers the same slope unless you interrupt the slide with short, targeted reviews. Planning light touches at expanding intervals interrupts forgetting, turning fragile impressions into sturdy, retrievable knowledge you can actually use later.
Start with a simple cadence like 1 day, 3 days, 7 days, then 14 and 30, adjusting as answers feel easy or hard. The goal is desirable difficulty: reviews are slightly effortful, never punishing. Flex intervals around weekends and workloads, protecting momentum without guilt or rigidity.
Testing yourself pulls information out, strengthening memory traces more than highlighting or rereading. Ask questions, practice brief summaries, or reconstruct key diagrams from memory. Short retrieval bursts paired with spacing beat marathon sessions, leaving you fresher and more confident when ideas need to surface on demand.
Write prompts in your own words immediately after reading, capturing the concept and one telling example. Avoid vague hints. A good question should make you pause, visualize, and explain, not just pick a familiar phrase. If you can teach it aloud, the prompt is working.
For concise facts, mask the critical piece in a sentence so you must supply it from memory. Clozes reduce verbosity and force targeted recall. Keep each card atomic, test one idea at a time, and include a real example sentence taken from your reading notes.
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