September 2025
- Sep 22, 2025IdeasAI Tools for Learning OptimizationThree AI tool types address three distinct failures. Adaptive tutors fix pacing, since fixed curricula move too fast for some and too slow for others. Spaced repetition schedulers fix forgetting, exploiting Ebbinghaus's 1885 finding that memory decays exponentially unless reviewed just before the point of loss. Knowledge gap identifiers fix the blindspot problem. Which tools rest on real cognitive science, and which build an illusion of competence.
- Sep 14, 2025IdeasLearning Platforms with Adaptive FeedbackMost online learning still runs a broadcast model: identical content in identical sequence at identical pace, the digital version of a lecture hall. Platforms compete on volume, so learners drown in material they do not need while skipping gaps they cannot see. Ebbinghaus's own savings data showed roughly 58 percent forgotten after a day and 66 percent after 31 days, which is what algorithms like SM-2 and FSRS exploit.
May 2025
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