OPEN • FAST • BROWSER-NATIVE

Learn by changing things.

Turn formulas into experiments. Explore mathematics, physics, chemistry and technology through interactive simulations that run entirely in your browser.

Try Projectile Motion Browse simulations

No account
No installation
No paid API
Works offline after loading

LIVE PREVIEWProjectile Motion

Angle 42° Speed 24 m/s

EXPLORE BY SUBJECT

A laboratory for the concepts behind STEM.

∑

Mathematics

Functions, calculus, geometry, probability and visual proofs.

Foundation library planned

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Physics

Mechanics, waves, optics, fields, circuits and thermodynamics.

Open first simulation →

⚗

Chemistry

Atomic structure, bonding, reactions, equilibrium and molecular geometry.

Foundation library planned

⌘

Technology

Logic, algorithms, electronics, signals, networks and engineering systems.

Foundation library planned

SIMULATION LIBRARY

Start experimenting.

PhysicsMechanics

Projectile Motion

Change launch speed, angle and gravity. Watch the trajectory, velocity and range respond instantly.

Explore simulation →

BUILT DIFFERENTLY

The simulation is the product.

Instant

No framework boot sequence. The page loads as ordinary HTML, CSS and JavaScript.

Portable

Every simulation has a permanent URL, shareable state and clean embed mode.

Open by default

No login wall, server account or database is required to learn or experiment.

Zero-runtime hosting

Designed for static hosting on Cloudflare Pages with no paid server infrastructure.