Magnet Lab

Explore magnetism without scores, levels, or objectives in Magnet Lab, an interactive field visualization sandbox built for experimentation. Arrange and rotate dipoles, add positive or negative current-carrying wires, and combine animated particles, streamlines, vector arrows, and a magnitude heatmap to reveal how each configuration behaves. Place field probes to measure Bx, By, magnitude, and direction, load built-in presets, and export your setup as JSON, your measurements as CSV, or the current visualization as a PNG. Magnet Lab runs entirely in the browser and supports mouse, touch, and keyboard controls.