Скачать или смотреть Can You Charge A Phone with Marbles?

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The Wintergatan Holy Grail Divider Video:
   • WE FOUND IT! - The Holy Grail Marble Divider  

Tom Stanton’s Generator:
   • Building a Generator  

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The electric screwdriver I used to assemble and disassemble this thing many times is a game changer: https://geni.us/f6oJ

Can you harvest the energy of falling marbles to charge a phone? In this video, I take you through the incredibly complex engineering process required to answer this simple question. From converting a stepper motor into a working generator using a full bridge rectifier, to powering this generator with a marble-paddle wheel, to feeding the paddle wheel with hundreds of marbles- there were some interesting challenges I encountered along the way, and some satisfying solutions.

This is probably the world's least efficient way to store energy, but it might be the most fun.