The most common reason why people don’t bike is the amount of energy needed to do it.
Developed by researchers at MIT, this device snaps onto your bike and helps you conserve energy. And it does it in an ingenuous, remarkable way.
It’s called the Copenhagen Wheel, and it stores the energy that you already use, and saves it for when you need it most. Hills become flat, and you no longer have to expel loads of energy to get around. Curious? Watch the video for more information.
Via Sepp Hasslberger