This wind generator uses a new design that can use wind from any direction and still move the generator in a single axis. Very suitable for urban power generation.
More info: https://hackaday.com/2018/11/22/tumbleweed-turbine-wins-dyson-foundation-award/
More info: https://hackaday.com/2018/11/22/tumbleweed-turbine-wins-dyson-foundation-award/