If you happen to have a fast flowing river, a spare bike wheel and an enormously long piece of electric cable. I think I’d rather enjoy the stars but it does show how hydro power works at its most basic level and its fun.
Sustainable Development Advisor
If you happen to have a fast flowing river, a spare bike wheel and an enormously long piece of electric cable. I think I’d rather enjoy the stars but it does show how hydro power works at its most basic level and its fun.