Frictionless Dynamo
Posted by: Sparky, in Tips & TricksLights are essential, but can be a pain. Batteries need replacing and aren’t very green, and dynamos suck every ounce of energy out of you. This tutorial, from Freelights, teaches you to make a nifty frictionless dynamo that works on electromagnetic induction/magic.
They still won’t work when you stop, but you can’t have everything.



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