@physicsfun 2022-11-26 20:10:08
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Solenoid Magnetic Accelerator: six electromagnet coils push a steel ball to terminal velocity. Each coil is triggered to briefly energized only when an infrared led and sensor circuit detects the presence of the ball. The steel ball’s speed seems limited by the strength of the temporary magnetic field and the friction it encounters from the track. This ring configuration demonstrates proof of concept for a means of accelerating steel marbles and I hope to incorporate these coils in other marble run designs I will share in the future. Uses a 12V power supply. ➡️ Follow the link in my profile for information on where to get this cyclotron accelerator and many other amazing items featured here on

@physicsfun at 2022-11-26 20:10:08

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