Bike sharing is an urban transportation program gaining popularity worldwide, providing public bicycles at designated points around a city--find it, ride it, drop it off at a kiosk down the road when you're done.
Cykel, a concept bike sharing system by Brian Mcallister able to switch between pedal-power and electric motor, could open up the program to new demographics, increase the range of most bikers, and make cities with more difficult topographies more accessible. Not to mention making the typically pedestrian-looking shared rides a lot slicker.
Recharged by docking stations for locking and drop-off, the bike even boasts molded tires to prevent flats and an enclosed drive train.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.