Double Pendulum: http://physicstoys.blogspot.com/p/physics-toy-store.html Chaotic motion from a simple assembly of two physical pendulums (one attached to the end of the other) with the energy of the system moving frenetically back and forth between the potential energy of gravity to the kinetic energy of motion. Chaotic motion is characterized by extreme sensitivity to initial starting conditions, tiny differences in how the system is released leads to dramatically different outcomes each time.

Double Pendulum Chaos: by orbdrop https://www.physicsfunshop.com/category/kickstarter A device to demonstrate the motion of mathematical chaos from a simple assembly of two physical pendulums (one attached to the end of the other). An LED light attached to the end of the pendulum is used to generate light trails captured by the app “Slow Shutter” allowing for a visualization of the chaotic motion. The physics of chaos is characterized by intricate orbits and extreme sensitivity to initial starti

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