An curved arrow pointing right. This bike will give you 24 hours of power after a one-hour workout. The project was created by 5-Hour Energy founder Manoj Bhargava with developing countries in mind.

[Hackett’s] back at it, this time with some practical advice for the next power outage to hit your city: why not prepare for the worst by building your own bike generator? You’ll no doubt ...

[Oliver] wanted to add a step in the middle to recover some of this energy, though, and built some gym equipment with a built-in generator. Right now he has started with the obvious exercise bike ...