How to Build a Practical Household Bike Generator We built a pedal-powered generator and controller, which is practical to use as an energy source and exercise machine in a household – and which you ...

Energy cannot be created or destroyed, but the most likely eventual conclusion of changing it from one form or another will be relatively useless heat. For those that workout with certain gym ...

The best exercise bikes have convinced me to reconsider the act of pedaling in place. Let me explain: For most of my life, the exercise bike has served as a last resort. Raining outside? Exercise bike ...