Do I need to install anything?

No. It runs in any modern browser, free, with no account required.

For Educators · GPU N-Body

GPU N-Body for a skydiver's free fall

Built for educators teaching it to a class. Drop a live demo into a lecture or assign it as a shareable link — no lab installs. Simulate a skydiver's free fall live below — adjust the inputs and watch it respond, right in your browser.

GPU N-Body Studio (WebGPU)Live

O(n²) gravity · workgroup tiling

Controls

Every body attracts every other body — thousands of pairwise forces per frame, computed on your GPU.

Bodies

Gravity G

Data Inspector

Backendstarting…

Bodies4,096

Interactions/frame16,777,216

FPS—

Runs locally in your browser — free forever. Scale to the cloud when reality gets heavy.

or unlock everything with Pro →

Also for:Students Researchers Engineers Hobbyists & Makers K-12 Students First Responders General version →

More with GPU N-Body

GPU N-Body for a projectile from a cannon GPU N-Body for a bouncing ball GPU N-Body for a pendulum clock GPU N-Body for a car braking GPU N-Body for a roller-coaster loop GPU N-Body for a satellite orbit GPU N-Body for a mass on a spring GPU N-Body for a two-cart collision

Frequently asked questions

Is this good for educators?: Yes — this version of "GPU N-Body for a skydiver's free fall" is framed for educators teaching it to a class. Drop a live demo into a lecture or assign it as a shareable link — no lab installs.
Do I need to install anything?: No. It runs in any modern browser, free, with no account required.