USB charging is shrouded in mystery -- which is a bit ironic, given that almost all of us rely on USB charging of our smartphones and tablets on a daily basis. Why, for example, does an iPhone ...

We may receive a commission on purchases made from links. All electronic devices require a power source. Most objects can just be plugged into a wall socket, and the gadget will never run out of juice ...

Scheme of the electrochemical insertion into a film of thickness L. b) Experimental setup for measurement of the MIEC-electrolyte system. Scientists have designed a novel electrochemical method that ...