Growth Circles
An interactive model of the Zone of Proximal Development. Click to expand capacity.
We only grow at the edge.
Too safe = stagnation.
Too far = injury.
Stay in the gap.
Doing what you already know. Safe, easy, and completely stagnant. No capacity is built here.
The edge of ability. It requires reach, but not ruin. This is the only place capacity expands.
Overshooting. Results in injury or burnout. Reduces capacity as the system is forced to retreat and recover.
Explore More
Confidence & Competence
Watch confidence outpace competence as expertise deepens — and see what happens at a phase shift.
The Flywheel
Consistent small pushes compound into uncontrollable velocity.
Leverage Visualizer
Shift the fulcrum to amplify effort into outcome.