Explore science by playing with it.

Graph functions and datasets, and explore their derivatives and integrals.

- the Optics sandbox

Trace rays through mirrors, lenses and refractive media.

Lorentz Force

Trace charged particles through electric and magnetic fields.

Maxwell Distribution

Watch particle speeds settle into the Maxwell–Boltzmann curve.

Ideal Gas

Pressure and collisions from the kinetic theory of gases.

Hysteresis

Trace the B-H loop of a magnetic material.