The Professor demonstrates how to charge electric bike batteries with solar. This applies to diy e-bikes, Rad Power / Rad ...

An adult human can produce about 100 Wh of mechanical power whilst cycling, which is a not inconsiderable amount if you can convert that to electricity with reasonable efficiency. In a recent article ...

The Professor reviews the best bang for the buck electric 3 wheeled folding tricycle for seniors and the disabled -- the ...