In 1885 Hermann Ebbinghaus memorized lists of nonsense syllables and tracked how quickly he forgot them. Two findings from that work have held up for well over a century: forgetting is fast at first and then slows, and reviewing material brings it back and slows the next round of forgetting.
September 26, 2026 · Learning Science
Spacing: why cramming works tonight and fails next month
The same study time, spread out, beats one long session. The best gap depends on how long you need to remember, and research tells us roughly how to pick it.
By Vortex team · 2 min read