The forgetting curve
Why you forget most of what you read, and why a 140 year old experiment still defines how we learn.
You read something good this morning. By tomorrow, you'll remember maybe half of it. By next week, you'll be lucky to keep a third.
Hermann Ebbinghaus proved this in 1885. He sat alone in a room, memorized lists of nonsense syllables, and measured how many he could still recall an hour later, a day later, a month later. The numbers weren't flattering.
Memory falls off a cliff in the first day. After that the slope eases, but by then you've already lost most of what you read. This isn't a bug in your brain. It's how memory works.
Why reviewing fixes it
The same experiment showed something else, quietly. If you review the material right before you would have forgotten it, the curve resets. And the next time you forget, it decays more slowly. Repeat this a few times and information starts to stick the way a melody sticks. Effortlessly, permanently.
This is spaced repetition. It's been the single most replicated finding in memory research for over a century. It's also why flashcard apps like Anki work, when they work.
The problem with flashcards
Spaced repetition is real. Flashcards are a terrible interface for it.
You have to open an app. You have to write each flashcard yourself, in a specific front/back format. You have to carve out twenty minutes for a review session and plow through dozens in a row. Miss a day, the queue piles up. Miss a week, you never come back.
Most people don't have the discipline. That's fine. Atomus doesn't ask for it.
What Atomus does instead
Atomus takes the algorithm and drops it into the places you already are. You write a note, no special format, no front or back, and Atomus extracts what's worth remembering as atoms. When it's time to review, an atom slides down from your notch while you're working on something else. One keystroke, and it's gone.
No review session. No discipline required. The forgetting curve just stops applying to the things you wrote down.