Electricity generators in busy rotating doors
could save some hotels on electricity costs?
by CC Jul 10, 2025 3 Comments 3 Links
#boats, #energy, #fuel, #greenenergy, #physics, #power, #science, #seawater, #seawaterpower, #ships,
by green fingers Jun 29, 2025 4 Comments 4 Links
#battery, #biodegradable, #biodegradblebattery, #eco, #ecofriendly, #energy, #environment, #sustainable,
Saw this idea on the amazing Half-Bakery site, which lists crap ideas, and I highly recommend. Someone on there says Eddison had a front door genny.
Works just as well on normal doors, not sure if they would be that efficient though.
Been invented, just not implemented everywhere yet.