
RD-9B · MiG-19
Why does a fighter need an afterburner?
Start the engine, push the throttle, light the afterburner — and see what it costs in fuel.
Start the jet engineMore models
3D right in your phone
2,450 MHzWhy does the microwave plate spin?▶ Switch on the microwave
Obninsk · 1954How did the atom first light up homes?▶ Start the reactor
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Coming soonHow did Buran land itself, with no one on board?In the works
Spin it. Take it apart. Run it yourself.
Live 3D models of real machines with real numbers. It’s not a video: press the buttons and watch what happens inside. Works in your phone’s browser.
For teachers: every model ends with a physics problem and its answer — copy it with one tap.