If you want a flashlight that is easy to use and has incredible lighting capabilities, the EDC 29 is the best EDC flashlight for you.

The alternator is a device that keeps your car’s electrical system running once the engine is on. It’s essentially a small generator that converts mechanical energy into electricity, bolted to the ...

Electrochemical Energy Systems Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, 8092 Zurich, Switzerland ...