In the example of a 90% learning curve, this means there is a corresponding 10% improvement every time the number of repetitions doubles. The Bottom Line .

Waterworth, Christopher J. “Relearning the Learning Curve: A Review of the Derivation and Applications of Learning-Curve Theory.” Project Management Journal . March 2000.

The basis of social learning theory is simple: People learn by watching other people. We can learn from anyone—teachers, parents, siblings, peers, co-workers, YouTube influencers, athletes, and ...

Based on my experience, Obsidian is worth the learning curve—but only if you’re looking for a tool that grows with you. For casual note-takers, the setup might feel like overkill.

We’ve known for a while that the cost of new nuclear power plants in this country has been soaring. Before 2007, price estimates of $4,000 per kilowatt for new U.S. nukes were common, but by Oct ...