February 7, 2017

This Double Pendulum’s Path Glows in the Dark


Who needs ordinary differential equations to determine the motion of a double pendulum?

All you need is a double pendulum, an ultraviolet LED and a backboard coated in photoluminescent pigment.

Watch what happens in the dark when a UV LED is attached to the double pendulum.

Via Make Anything // 3D Printing Channel

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