What would you do if you lived in a place where the power supply was constantly disrupted by war? How would you keep your phone, laptop, fridge, or TV running when the grid goes down? That’s the ...

What if you could get more out of your exercise bike than just, well, exercise? That’s the idea behind HR Bank, an exercise bike that captures and stores the energy generated while you pedal it. The ...

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 ...