Electric recumbent bikes are 80 more efficient than EV(lowtechmagazine.com)34 points by dgan 3 years ago | 30 comments
Email in the 18th century: the optical telegraph (2007)(lowtechmagazine.com)67 points by eatonphil 3 years ago | 19 comments
Can we make bicycles sustainable again?(lowtechmagazine.com)36 points by dragonsh 3 years ago | 37 comments
