Newton's Cradle, Unbound
A two-dimensional reimagining of the classic desktop toy. Watch momentum and energy transfer in ways Newton never imagined.
Drag
Select. Drag. Release. Discover.
Intuitive touch controls let you set up collisions with a flick of your finger.
Tune
Real Physics Parameters
Adjust gravity, coefficient of restitution, string length, and ball size. See how each affects the system. Drag to see all parameters.
Watch
Energy Conservation
Watch total energy in real-time. Set restitution to 1.0 for perfectly elastic collisions.