Interactive 3D Simulation Series

How a Neuron Works

Eight built-from-real-physics simulations that trace one signal through a neuron — from anatomy, to the voltage that fires it, to networks that learn, to the artificial neuron of deep learning.

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Design principle: the visuals are a readout of a real model, never the other way around — the membrane potential is solved, not drawn.

Drag to orbit · scroll / pinch to zoom · click parts to inspect · run the guided experiments.
Built with Three.js · each module is a self-contained simulation. Use the bar at the top of any module to move between steps.