Machine Bike
1,692
5
Restructured energy need Again? http://lowtechlab.org/wiki/Robot_m%C3%A9canique http://www.mayapedal.org/machines.en http://www.lowtechmagazine.com/build-your-own-pedal-powered-machines.html http://www.notechmagazine.com/category/pedal-powered-machines http://www.lowtechmagazine.com/2011/05/pedal-powered-farms-and-factories.html https://www.fastcompany.com/1662733/almost-genius-a-pedal-powered-food-processor
