From the earliest days of motoring, cars have evolved dramatically. The very first car envisioned by Carl Benz bears little resemblance to the vehicles we drive today; since then, engineers have found ...

A hydroelectric generator produces electricity by harnessing the kinetic energy of running water. Now you can not only find stationary larger-scale hydroelectric generators but also portable micro ...

Your car needs electricity. You don't have mice striking flint in your engine's combustion chambers, nor do you have kerosene lamps for headlights. You might be able to hire a string quartet to ...

Sam Redfield of the Appropriate Infrastructure Development Group has designed a bucket-based hydroelectric generator that can be made with easily obtainable, affordable parts. The “pico generator” is ...