PPolySim OS
For K-12 Students · Epidemic Network

Epidemic Network for a muscle contraction

Built for k-12 students learning it in middle or high school. Watch the idea come alive with plain-language steps and everyday examples — perfect for projects and homework. Simulate a muscle contraction live below — adjust the inputs and watch it respond, right in your browser.

Epidemic on a NetworkLive

Controls

Infection spreads along the contact network (red = infected, blue = susceptible, green = recovered). Tune transmission, recovery, and connectivity.

Presets

▶ Run in Python

Data Inspector

Susceptible0
Infected0
Recovered0
Edges0

Governing equation

Reading this result: Spread outpaces recovery by 6.0-to-1 — an epidemic grows, but whether it reaches everyone hinges on the contact radius wiring nodes together.

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

or unlock everything with Pro →

More with Epidemic Network

Frequently asked questions

Is this good for k-12 students?
Yes — this version of "Epidemic Network for a muscle contraction" is framed for k-12 students learning it in middle or high school. Watch the idea come alive with plain-language steps and everyday examples — perfect for projects and homework.
Do I need to install anything?
No. It runs in any modern browser, free, with no account required.