For First Responders · Nuclear Binding Energy
Nuclear Binding Energy for a fallout plume
Built for first responders planning or training for real incidents. Run fast what-if scenarios for response planning and training — no software to install in the field. Simulate a fallout plume live below — adjust the inputs and watch it respond, right in your browser.
Nuclear Binding EnergyLive
why stars shine and bombs work
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The binding energy per nucleon measures how tightly a nucleus is held together, peaking at iron-56. Light nuclei release energy by fusing toward that peak — the power source of stars; heavy nuclei release energy by splitting toward it — the basis of fission reactors and bombs. Iron is the ash where both paths end.
Data Inspector
BE per nucleon8.72 MeV
Total BE488 MeV
Energy pathfission releases energy
Governing equation
Reading this result: Iron-56 sits at the very peak — the most tightly bound nucleus, where neither fusion nor fission can extract any more energy.
Runs locally in your browser — free forever. Scale to the cloud when reality gets heavy.
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Frequently asked questions
- Is this good for first responders?
- Yes — this version of "Nuclear Binding Energy for a fallout plume" is framed for first responders planning or training for real incidents. Run fast what-if scenarios for response planning and training — no software to install in the field.
- Do I need to install anything?
- No. It runs in any modern browser, free, with no account required.