The film explores the concept of electricity, demonstrating how it can be generated through simple experiments such as rubbing different materials together. It explains the basics of electric currents ...

After a year of trial and error, Liyang Chen had managed to whittle down a metallic wire into a microscopic strand half the width of an E.coli bacterium — just thin enough to allow a trickle of ...

IT is well known that the sudden development of a current in a conductor is opposed by an influence analogous to the inertia of ordinary matter. A powerful movement of electricity cannot be suddenly ...