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Using The Wind And Magnets To Make Heat
(hackaday.com)
This is a most excellent place for technology news and articles.
Why not use just a regular generator with that windmill, which would generate electricity for you, probably more efficiently, which you can use for light, heating, or whatever you want.
The article doesn't really do Tim justice. He's a bodger who is basically a genius for what I can only describe as Goblin technology. His projects are as much about fun and experimenting as having a result. In the first windmill video he acknowledged that he could just buy a small electric windmill, but that's not the point.
I mean, this is the dude who made a narrow gauge railroad and a compressed air locomotive to transport wood to his terrifying biochar chopper and crucible.
I imagine he wants to avoid dependence on fuel suppliers, or pollution.