This project is in one of our favorite categories; the kind where asking “why?” is the wrong question. [Berto A.] built the device after observing some power generation by placing a large magnet next ...

Remember those "bottle"-type dynamos that rubbed against the side of your bike tire in order to power the lights? Well, they've gotten a high-tech makeover, in the form of the fork-mounted CadenceX ...

Bicycle generator technology has advanced far beyond the bottle dynamos of years past, which as often as not would introduce enough drag when engaged to stall the bike. Granted, it’s not as much of a ...

In this DIY tutorial, learn how to build your very own bicycle generator from scratch! This step-by-step guide will walk you ...

Here is a bicycle dynamo regulator and battery charger circuit which is suitable for 6V/3W generator systems and 6V NiCd/NiMH rechargeable batteries. Other purpose of the circuit is controlling the ...

Aloysius Low is a Senior Editor at CNET covering mobile and Asia. Based in Singapore, he loves playing Dota 2 when he can spare the time and is also the owner-minion of two adorable cats. Wheelswing, ...

You can see how "Magnic Light iC" generates electricity and lights the light from the following movie. "Everyone said that there is no dynamo that can generate electricity without touching the tires." ...

Despite the continuous advances being made in lithium-ion battery technology, many cyclists still prefer to use dynamo-powered lights on their bikes - there's no having to remember to recharge the ...